31028718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:577

約数の個数: 64

約数和(自身を含む): 74769408

約数和(自身を除く): 43740690

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 41, 42, 74, 82, 111, 123, 222, 246, 259, 287, 487, 518, 574, 777, 861, 974, 1461, 1517, 1554, 1722, 2922, 3034, 3409, 4551, 6818, 9102, 10227, 10619, 18019, 19967, 20454, 21238, 31857, 36038, 39934, 54057, 59901, 63714, 108114, 119802, 126133, 139769, 252266, 279538, 378399, 419307, 738779, 756798, 838614, 1477558, 2216337, 4432674, 5171453, 10342906, 15514359, 31028718]

約数ペア:

[(1, 31028718), (2, 15514359), (3, 10342906), (6, 5171453), (7, 4432674), (14, 2216337), (21, 1477558), (37, 838614), (41, 756798), (42, 738779), (74, 419307), (82, 378399), (111, 279538), (123, 252266), (222, 139769), (246, 126133), (259, 119802), (287, 108114), (487, 63714), (518, 59901), (574, 54057), (777, 39934), (861, 36038), (974, 31857), (1461, 21238), (1517, 20454), (1554, 19967), (1722, 18019), (2922, 10619), (3034, 10227), (3409, 9102), (4551, 6818)]