213972408

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:630

約数の個数: 128

約数和(自身を含む): 645153600

約数和(自身を除く): 431181192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 181, 216, 234, 312, 351, 362, 421, 468, 543, 702, 724, 842, 936, 1086, 1263, 1404, 1448, 1629, 1684, 2172, 2353, 2526, 2808, 3258, 3368, 3789, 4344, 4706, 4887, 5052, 5473, 6516, 7059, 7578, 9412, 9774, 10104, 10946, 11367, 13032, 14118, 15156, 16419, 18824, 19548, 21177, 21892, 22734, 28236, 30312, 32838, 39096, 42354, 43784, 45468, 49257, 56472, 63531, 65676, 76201, 84708, 90936, 98514, 127062, 131352, 147771, 152402, 169416, 197028, 228603, 254124, 295542, 304804, 394056, 457206, 508248, 591084, 609608, 685809, 914412, 990613, 1182168, 1371618, 1828824, 1981226, 2057427, 2743236, 2971839, 3962452, 4114854, 5486472, 5943678, 7924904, 8229708, 8915517, 11887356, 16459416, 17831034, 23774712, 26746551, 35662068, 53493102, 71324136, 106986204, 213972408]

約数ペア:

[(1, 213972408), (2, 106986204), (3, 71324136), (4, 53493102), (6, 35662068), (8, 26746551), (9, 23774712), (12, 17831034), (13, 16459416), (18, 11887356), (24, 8915517), (26, 8229708), (27, 7924904), (36, 5943678), (39, 5486472), (52, 4114854), (54, 3962452), (72, 2971839), (78, 2743236), (104, 2057427), (108, 1981226), (117, 1828824), (156, 1371618), (181, 1182168), (216, 990613), (234, 914412), (312, 685809), (351, 609608), (362, 591084), (421, 508248), (468, 457206), (543, 394056), (702, 304804), (724, 295542), (842, 254124), (936, 228603), (1086, 197028), (1263, 169416), (1404, 152402), (1448, 147771), (1629, 131352), (1684, 127062), (2172, 98514), (2353, 90936), (2526, 84708), (2808, 76201), (3258, 65676), (3368, 63531), (3789, 56472), (4344, 49257), (4706, 45468), (4887, 43784), (5052, 42354), (5473, 39096), (6516, 32838), (7059, 30312), (7578, 28236), (9412, 22734), (9774, 21892), (10104, 21177), (10946, 19548), (11367, 18824), (13032, 16419), (14118, 15156)]