8638890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1303}}^1$

素因数の和:1343

約数の個数: 64

約数和(自身を含む): 23659776

約数和(自身を除く): 15020886

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1303, 1326, 2210, 2606, 3315, 3909, 6515, 6630, 7818, 13030, 16939, 19545, 22151, 33878, 39090, 44302, 50817, 66453, 84695, 101634, 110755, 132906, 169390, 221510, 254085, 287963, 332265, 508170, 575926, 664530, 863889, 1439815, 1727778, 2879630, 4319445, 8638890]

約数ペア:

[(1, 8638890), (2, 4319445), (3, 2879630), (5, 1727778), (6, 1439815), (10, 863889), (13, 664530), (15, 575926), (17, 508170), (26, 332265), (30, 287963), (34, 254085), (39, 221510), (51, 169390), (65, 132906), (78, 110755), (85, 101634), (102, 84695), (130, 66453), (170, 50817), (195, 44302), (221, 39090), (255, 33878), (390, 22151), (442, 19545), (510, 16939), (663, 13030), (1105, 7818), (1303, 6630), (1326, 6515), (2210, 3909), (2606, 3315)]