78402674

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 149630976

約数和(自身を除く): 71228302

約数列:

[1, 2, 7, 14, 17, 34, 43, 47, 86, 94, 119, 163, 238, 301, 326, 329, 602, 658, 731, 799, 1141, 1462, 1598, 2021, 2282, 2771, 4042, 5117, 5542, 5593, 7009, 7661, 10234, 11186, 14018, 14147, 15322, 19397, 28294, 34357, 38794, 49063, 53627, 68714, 98126, 107254, 119153, 130237, 238306, 240499, 260474, 329423, 480998, 658846, 834071, 911659, 1668142, 1823318, 2305961, 4611922, 5600191, 11200382, 39201337, 78402674]

約数ペア:

[(1, 78402674), (2, 39201337), (7, 11200382), (14, 5600191), (17, 4611922), (34, 2305961), (43, 1823318), (47, 1668142), (86, 911659), (94, 834071), (119, 658846), (163, 480998), (238, 329423), (301, 260474), (326, 240499), (329, 238306), (602, 130237), (658, 119153), (731, 107254), (799, 98126), (1141, 68714), (1462, 53627), (1598, 49063), (2021, 38794), (2282, 34357), (2771, 28294), (4042, 19397), (5117, 15322), (5542, 14147), (5593, 14018), (7009, 11186), (7661, 10234)]