1871428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 3916080

約数和(自身を除く): 2044652

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 73, 116, 146, 221, 292, 377, 442, 493, 754, 884, 949, 986, 1241, 1508, 1898, 1972, 2117, 2482, 3796, 4234, 4964, 6409, 8468, 12818, 16133, 25636, 27521, 32266, 35989, 55042, 64532, 71978, 110084, 143956, 467857, 935714, 1871428]

約数ペア:

[(1, 1871428), (2, 935714), (4, 467857), (13, 143956), (17, 110084), (26, 71978), (29, 64532), (34, 55042), (52, 35989), (58, 32266), (68, 27521), (73, 25636), (116, 16133), (146, 12818), (221, 8468), (292, 6409), (377, 4964), (442, 4234), (493, 3796), (754, 2482), (884, 2117), (949, 1972), (986, 1898), (1241, 1508)]