691496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 1432200

約数和(自身を除く): 740704

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 109, 122, 218, 244, 436, 488, 793, 872, 1417, 1586, 2834, 3172, 5668, 6344, 6649, 11336, 13298, 26596, 53192, 86437, 172874, 345748, 691496]

約数ペア:

[(1, 691496), (2, 345748), (4, 172874), (8, 86437), (13, 53192), (26, 26596), (52, 13298), (61, 11336), (104, 6649), (109, 6344), (122, 5668), (218, 3172), (244, 2834), (436, 1586), (488, 1417), (793, 872)]