231712218

素因数分解:

$2^1\times 3^3\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 524509440

約数和(自身を除く): 292797222

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 151, 157, 181, 302, 314, 362, 453, 471, 543, 906, 942, 1086, 1359, 1413, 1629, 2718, 2826, 3258, 4077, 4239, 4887, 8154, 8478, 9774, 23707, 27331, 28417, 47414, 54662, 56834, 71121, 81993, 85251, 142242, 163986, 170502, 213363, 245979, 255753, 426726, 491958, 511506, 640089, 737937, 767259, 1280178, 1475874, 1534518, 4290967, 8581934, 12872901, 25745802, 38618703, 77237406, 115856109, 231712218]

約数ペア:

[(1, 231712218), (2, 115856109), (3, 77237406), (6, 38618703), (9, 25745802), (18, 12872901), (27, 8581934), (54, 4290967), (151, 1534518), (157, 1475874), (181, 1280178), (302, 767259), (314, 737937), (362, 640089), (453, 511506), (471, 491958), (543, 426726), (906, 255753), (942, 245979), (1086, 213363), (1359, 170502), (1413, 163986), (1629, 142242), (2718, 85251), (2826, 81993), (3258, 71121), (4077, 56834), (4239, 54662), (4887, 47414), (8154, 28417), (8478, 27331), (9774, 23707)]