1882208890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 3660660864

約数和(自身を除く): 1778451974

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 257, 335, 514, 643, 670, 1139, 1285, 1286, 2278, 2570, 3215, 4369, 5695, 6430, 8738, 10931, 11390, 17219, 21845, 21862, 34438, 43081, 43690, 54655, 86095, 86162, 109310, 165251, 172190, 215405, 292723, 330502, 430810, 585446, 732377, 826255, 1463615, 1464754, 1652510, 2809267, 2927230, 3661885, 5618534, 7323770, 11071817, 14046335, 22143634, 28092670, 55359085, 110718170, 188220889, 376441778, 941104445, 1882208890]

約数ペア:

[(1, 1882208890), (2, 941104445), (5, 376441778), (10, 188220889), (17, 110718170), (34, 55359085), (67, 28092670), (85, 22143634), (134, 14046335), (170, 11071817), (257, 7323770), (335, 5618534), (514, 3661885), (643, 2927230), (670, 2809267), (1139, 1652510), (1285, 1464754), (1286, 1463615), (2278, 826255), (2570, 732377), (3215, 585446), (4369, 430810), (5695, 330502), (6430, 292723), (8738, 215405), (10931, 172190), (11390, 165251), (17219, 109310), (21845, 86162), (21862, 86095), (34438, 54655), (43081, 43690)]