857375618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 1514474496

約数和(自身を除く): 657098878

約数列:

[1, 2, 11, 22, 31, 37, 61, 62, 74, 122, 341, 407, 557, 671, 682, 814, 1114, 1147, 1342, 1891, 2257, 2294, 3782, 4514, 6127, 12254, 12617, 17267, 20609, 20801, 24827, 25234, 33977, 34534, 41218, 41602, 49654, 67954, 69967, 139934, 189937, 226699, 373747, 379874, 453398, 638879, 747494, 769637, 1053287, 1257149, 1277758, 1539274, 2106574, 2514298, 7027669, 11586157, 13828639, 14055338, 23172314, 27657278, 38971619, 77943238, 428687809, 857375618]

約数ペア:

[(1, 857375618), (2, 428687809), (11, 77943238), (22, 38971619), (31, 27657278), (37, 23172314), (61, 14055338), (62, 13828639), (74, 11586157), (122, 7027669), (341, 2514298), (407, 2106574), (557, 1539274), (671, 1277758), (682, 1257149), (814, 1053287), (1114, 769637), (1147, 747494), (1342, 638879), (1891, 453398), (2257, 379874), (2294, 373747), (3782, 226699), (4514, 189937), (6127, 139934), (12254, 69967), (12617, 67954), (17267, 49654), (20609, 41602), (20801, 41218), (24827, 34534), (25234, 33977)]