31385354

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 64495872

約数和(自身を除く): 33110518

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 61, 77, 91, 122, 143, 154, 182, 257, 286, 427, 514, 671, 793, 854, 1001, 1342, 1586, 1799, 2002, 2827, 3341, 3598, 4697, 5551, 5654, 6682, 8723, 9394, 11102, 15677, 17446, 19789, 23387, 31354, 36751, 39578, 46774, 61061, 73502, 109739, 122122, 172447, 203801, 219478, 257257, 344894, 407602, 514514, 1207129, 1426607, 2241811, 2414258, 2853214, 4483622, 15692677, 31385354]

約数ペア:

[(1, 31385354), (2, 15692677), (7, 4483622), (11, 2853214), (13, 2414258), (14, 2241811), (22, 1426607), (26, 1207129), (61, 514514), (77, 407602), (91, 344894), (122, 257257), (143, 219478), (154, 203801), (182, 172447), (257, 122122), (286, 109739), (427, 73502), (514, 61061), (671, 46774), (793, 39578), (854, 36751), (1001, 31354), (1342, 23387), (1586, 19789), (1799, 17446), (2002, 15677), (2827, 11102), (3341, 9394), (3598, 8723), (4697, 6682), (5551, 5654)]