121201912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 261072000

約数和(自身を除く): 139870088

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 83, 104, 152, 166, 247, 332, 494, 664, 739, 988, 1079, 1478, 1577, 1976, 2158, 2956, 3154, 4316, 5912, 6308, 8632, 9607, 12616, 14041, 19214, 20501, 28082, 38428, 41002, 56164, 61337, 76856, 82004, 112328, 122674, 164008, 182533, 245348, 365066, 490696, 730132, 797381, 1165403, 1460264, 1594762, 2330806, 3189524, 4661612, 6379048, 9323224, 15150239, 30300478, 60600956, 121201912]

約数ペア:

[(1, 121201912), (2, 60600956), (4, 30300478), (8, 15150239), (13, 9323224), (19, 6379048), (26, 4661612), (38, 3189524), (52, 2330806), (76, 1594762), (83, 1460264), (104, 1165403), (152, 797381), (166, 730132), (247, 490696), (332, 365066), (494, 245348), (664, 182533), (739, 164008), (988, 122674), (1079, 112328), (1478, 82004), (1577, 76856), (1976, 61337), (2158, 56164), (2956, 41002), (3154, 38428), (4316, 28082), (5912, 20501), (6308, 19214), (8632, 14041), (9607, 12616)]