1388898056

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{761}}^1$

素因数の和:919

約数の個数: 128

約数和(自身を含む): 3379622400

約数和(自身を除く): 1990724344

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 104, 109, 161, 182, 184, 218, 299, 322, 364, 436, 598, 644, 728, 761, 763, 872, 1196, 1288, 1417, 1522, 1526, 2093, 2392, 2507, 2834, 3044, 3052, 4186, 5014, 5327, 5668, 6088, 6104, 8372, 9893, 9919, 10028, 10654, 11336, 16744, 17503, 17549, 19786, 19838, 20056, 21308, 32591, 35006, 35098, 39572, 39676, 42616, 65182, 69251, 70012, 70196, 79144, 79352, 82949, 122521, 130364, 138502, 140024, 140392, 165898, 227539, 228137, 245042, 260728, 277004, 331796, 455078, 456274, 490084, 554008, 580643, 663592, 910156, 912548, 980168, 1078337, 1161286, 1592773, 1820312, 1825096, 1907827, 2156674, 2322572, 3185546, 3815654, 4313348, 4645144, 6371092, 7548359, 7631308, 8626696, 12742184, 13354789, 15096718, 15262616, 24801751, 26709578, 30193436, 49603502, 53419156, 60386872, 99207004, 106838312, 173612257, 198414008, 347224514, 694449028, 1388898056]

約数ペア:

[(1, 1388898056), (2, 694449028), (4, 347224514), (7, 198414008), (8, 173612257), (13, 106838312), (14, 99207004), (23, 60386872), (26, 53419156), (28, 49603502), (46, 30193436), (52, 26709578), (56, 24801751), (91, 15262616), (92, 15096718), (104, 13354789), (109, 12742184), (161, 8626696), (182, 7631308), (184, 7548359), (218, 6371092), (299, 4645144), (322, 4313348), (364, 3815654), (436, 3185546), (598, 2322572), (644, 2156674), (728, 1907827), (761, 1825096), (763, 1820312), (872, 1592773), (1196, 1161286), (1288, 1078337), (1417, 980168), (1522, 912548), (1526, 910156), (2093, 663592), (2392, 580643), (2507, 554008), (2834, 490084), (3044, 456274), (3052, 455078), (4186, 331796), (5014, 277004), (5327, 260728), (5668, 245042), (6088, 228137), (6104, 227539), (8372, 165898), (9893, 140392), (9919, 140024), (10028, 138502), (10654, 130364), (11336, 122521), (16744, 82949), (17503, 79352), (17549, 79144), (19786, 70196), (19838, 70012), (20056, 69251), (21308, 65182), (32591, 42616), (35006, 39676), (35098, 39572)]