1638331656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{86083}}^1$

素因数の和:86166

約数の個数: 64

約数和(自身を含む): 4483254720

約数和(自身を除く): 2844923064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 122, 156, 183, 244, 312, 366, 488, 732, 793, 1464, 1586, 2379, 3172, 4758, 6344, 9516, 19032, 86083, 172166, 258249, 344332, 516498, 688664, 1032996, 1119079, 2065992, 2238158, 3357237, 4476316, 5251063, 6714474, 8952632, 10502126, 13428948, 15753189, 21004252, 26857896, 31506378, 42008504, 63012756, 68263819, 126025512, 136527638, 204791457, 273055276, 409582914, 546110552, 819165828, 1638331656]

約数ペア:

[(1, 1638331656), (2, 819165828), (3, 546110552), (4, 409582914), (6, 273055276), (8, 204791457), (12, 136527638), (13, 126025512), (24, 68263819), (26, 63012756), (39, 42008504), (52, 31506378), (61, 26857896), (78, 21004252), (104, 15753189), (122, 13428948), (156, 10502126), (183, 8952632), (244, 6714474), (312, 5251063), (366, 4476316), (488, 3357237), (732, 2238158), (793, 2065992), (1464, 1119079), (1586, 1032996), (2379, 688664), (3172, 516498), (4758, 344332), (6344, 258249), (9516, 172166), (19032, 86083)]