17888900988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:1004

約数の個数: 144

約数和(自身を含む): 49050761760

約数和(自身を除く): 31161860772

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 197, 294, 389, 394, 397, 588, 591, 778, 788, 794, 1167, 1182, 1191, 1379, 1556, 1588, 2334, 2364, 2382, 2723, 2758, 2779, 4137, 4668, 4764, 5446, 5516, 5558, 8169, 8274, 8337, 9653, 10892, 11116, 16338, 16548, 16674, 19061, 19306, 19453, 28959, 32676, 33348, 38122, 38612, 38906, 57183, 57918, 58359, 76244, 76633, 77812, 78209, 114366, 115836, 116718, 153266, 154433, 156418, 228732, 229899, 233436, 234627, 306532, 308866, 312836, 459798, 463299, 469254, 536431, 547463, 617732, 919596, 926598, 938508, 1072862, 1081031, 1094926, 1609293, 1642389, 1853196, 2145724, 2162062, 2189852, 3218586, 3243093, 3284778, 3755017, 3832241, 4324124, 6437172, 6486186, 6569556, 7510034, 7567217, 7664482, 11265051, 11496723, 12972372, 15020068, 15134434, 15328964, 22530102, 22701651, 22993446, 30268868, 30423301, 45060204, 45403302, 45986892, 60846602, 90806604, 91269903, 121693204, 182539806, 212963107, 365079612, 425926214, 638889321, 851852428, 1277778642, 1490741749, 2555557284, 2981483498, 4472225247, 5962966996, 8944450494, 17888900988]

約数ペア:

[(1, 17888900988), (2, 8944450494), (3, 5962966996), (4, 4472225247), (6, 2981483498), (7, 2555557284), (12, 1490741749), (14, 1277778642), (21, 851852428), (28, 638889321), (42, 425926214), (49, 365079612), (84, 212963107), (98, 182539806), (147, 121693204), (196, 91269903), (197, 90806604), (294, 60846602), (389, 45986892), (394, 45403302), (397, 45060204), (588, 30423301), (591, 30268868), (778, 22993446), (788, 22701651), (794, 22530102), (1167, 15328964), (1182, 15134434), (1191, 15020068), (1379, 12972372), (1556, 11496723), (1588, 11265051), (2334, 7664482), (2364, 7567217), (2382, 7510034), (2723, 6569556), (2758, 6486186), (2779, 6437172), (4137, 4324124), (4668, 3832241), (4764, 3755017), (5446, 3284778), (5516, 3243093), (5558, 3218586), (8169, 2189852), (8274, 2162062), (8337, 2145724), (9653, 1853196), (10892, 1642389), (11116, 1609293), (16338, 1094926), (16548, 1081031), (16674, 1072862), (19061, 938508), (19306, 926598), (19453, 919596), (28959, 617732), (32676, 547463), (33348, 536431), (38122, 469254), (38612, 463299), (38906, 459798), (57183, 312836), (57918, 308866), (58359, 306532), (76244, 234627), (76633, 233436), (77812, 229899), (78209, 228732), (114366, 156418), (115836, 154433), (116718, 153266)]