664958988

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{2339}}^1$

素因数の和:2551

約数の個数: 72

約数和(自身を含む): 1724814000

約数和(自身を除く): 1059855012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 149, 159, 212, 298, 318, 447, 477, 596, 636, 894, 954, 1341, 1788, 1908, 2339, 2682, 4678, 5364, 7017, 7897, 9356, 14034, 15794, 21051, 23691, 28068, 31588, 42102, 47382, 71073, 84204, 94764, 123967, 142146, 247934, 284292, 348511, 371901, 495868, 697022, 743802, 1045533, 1115703, 1394044, 1487604, 2091066, 2231406, 3136599, 4182132, 4462812, 6273198, 12546396, 18471083, 36942166, 55413249, 73884332, 110826498, 166239747, 221652996, 332479494, 664958988]

約数ペア:

[(1, 664958988), (2, 332479494), (3, 221652996), (4, 166239747), (6, 110826498), (9, 73884332), (12, 55413249), (18, 36942166), (36, 18471083), (53, 12546396), (106, 6273198), (149, 4462812), (159, 4182132), (212, 3136599), (298, 2231406), (318, 2091066), (447, 1487604), (477, 1394044), (596, 1115703), (636, 1045533), (894, 743802), (954, 697022), (1341, 495868), (1788, 371901), (1908, 348511), (2339, 284292), (2682, 247934), (4678, 142146), (5364, 123967), (7017, 94764), (7897, 84204), (9356, 71073), (14034, 47382), (15794, 42102), (21051, 31588), (23691, 28068)]