31979402

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 62657280

約数和(自身を除く): 30677878

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 73, 83, 91, 146, 166, 182, 203, 377, 406, 511, 581, 754, 949, 1022, 1079, 1162, 1898, 2117, 2158, 2407, 2639, 4234, 4814, 5278, 6059, 6643, 7553, 12118, 13286, 14819, 15106, 16849, 27521, 29638, 31291, 33698, 42413, 55042, 62582, 78767, 84826, 157534, 175711, 192647, 219037, 351422, 385294, 438074, 551369, 1102738, 1229977, 2284243, 2459954, 4568486, 15989701, 31979402]

約数ペア:

[(1, 31979402), (2, 15989701), (7, 4568486), (13, 2459954), (14, 2284243), (26, 1229977), (29, 1102738), (58, 551369), (73, 438074), (83, 385294), (91, 351422), (146, 219037), (166, 192647), (182, 175711), (203, 157534), (377, 84826), (406, 78767), (511, 62582), (581, 55042), (754, 42413), (949, 33698), (1022, 31291), (1079, 29638), (1162, 27521), (1898, 16849), (2117, 15106), (2158, 14819), (2407, 13286), (2639, 12118), (4234, 7553), (4814, 6643), (5278, 6059)]