656604

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 1895712

約数和(自身を除く): 1239108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 61, 69, 78, 92, 117, 122, 138, 156, 183, 207, 234, 244, 276, 299, 366, 414, 468, 549, 598, 732, 793, 828, 897, 1098, 1196, 1403, 1586, 1794, 2196, 2379, 2691, 2806, 3172, 3588, 4209, 4758, 5382, 5612, 7137, 8418, 9516, 10764, 12627, 14274, 16836, 18239, 25254, 28548, 36478, 50508, 54717, 72956, 109434, 164151, 218868, 328302, 656604]

約数ペア:

[(1, 656604), (2, 328302), (3, 218868), (4, 164151), (6, 109434), (9, 72956), (12, 54717), (13, 50508), (18, 36478), (23, 28548), (26, 25254), (36, 18239), (39, 16836), (46, 14274), (52, 12627), (61, 10764), (69, 9516), (78, 8418), (92, 7137), (117, 5612), (122, 5382), (138, 4758), (156, 4209), (183, 3588), (207, 3172), (234, 2806), (244, 2691), (276, 2379), (299, 2196), (366, 1794), (414, 1586), (468, 1403), (549, 1196), (598, 1098), (732, 897), (793, 828)]