31518578

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 62995968

約数和(自身を除く): 31477390

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 61, 91, 119, 122, 167, 182, 221, 238, 334, 427, 442, 793, 854, 1037, 1169, 1547, 1586, 2074, 2171, 2338, 2839, 3094, 4342, 5551, 5678, 7259, 10187, 11102, 13481, 14518, 15197, 19873, 20374, 26962, 30394, 36907, 39746, 71309, 73814, 94367, 132431, 142618, 173179, 188734, 258349, 264862, 346358, 516698, 927017, 1212253, 1854034, 2251327, 2424506, 4502654, 15759289, 31518578]

約数ペア:

[(1, 31518578), (2, 15759289), (7, 4502654), (13, 2424506), (14, 2251327), (17, 1854034), (26, 1212253), (34, 927017), (61, 516698), (91, 346358), (119, 264862), (122, 258349), (167, 188734), (182, 173179), (221, 142618), (238, 132431), (334, 94367), (427, 73814), (442, 71309), (793, 39746), (854, 36907), (1037, 30394), (1169, 26962), (1547, 20374), (1586, 19873), (2074, 15197), (2171, 14518), (2338, 13481), (2839, 11102), (3094, 10187), (4342, 7259), (5551, 5678)]