1285451272

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^2\times {\mathrm{1223}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 2777060160

約数和(自身を除く): 1491608888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 274, 548, 959, 1096, 1223, 1918, 2446, 3836, 4892, 7672, 8561, 9784, 17122, 18769, 34244, 37538, 68488, 75076, 131383, 150152, 167551, 262766, 335102, 525532, 670204, 1051064, 1172857, 1340408, 2345714, 4691428, 9382856, 22954487, 45908974, 91817948, 160681409, 183635896, 321362818, 642725636, 1285451272]

約数ペア:

[(1, 1285451272), (2, 642725636), (4, 321362818), (7, 183635896), (8, 160681409), (14, 91817948), (28, 45908974), (56, 22954487), (137, 9382856), (274, 4691428), (548, 2345714), (959, 1340408), (1096, 1172857), (1223, 1051064), (1918, 670204), (2446, 525532), (3836, 335102), (4892, 262766), (7672, 167551), (8561, 150152), (9784, 131383), (17122, 75076), (18769, 68488), (34244, 37538)]