17717778890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{12227}}^1$

素因数の和:12531

約数の個数: 64

約数和(自身を含む): 36963385344

約数和(自身を除く): 19245606454

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 163, 254, 326, 635, 815, 889, 1141, 1270, 1630, 1778, 2282, 4445, 5705, 8890, 11410, 12227, 20701, 24454, 41402, 61135, 85589, 103505, 122270, 144907, 171178, 207010, 289814, 427945, 724535, 855890, 1449070, 1552829, 1993001, 3105658, 3986002, 7764145, 9965005, 10869803, 13951007, 15528290, 19930010, 21739606, 27902014, 54349015, 69755035, 108698030, 139510070, 253111127, 506222254, 1265555635, 1771777889, 2531111270, 3543555778, 8858889445, 17717778890]

約数ペア:

[(1, 17717778890), (2, 8858889445), (5, 3543555778), (7, 2531111270), (10, 1771777889), (14, 1265555635), (35, 506222254), (70, 253111127), (127, 139510070), (163, 108698030), (254, 69755035), (326, 54349015), (635, 27902014), (815, 21739606), (889, 19930010), (1141, 15528290), (1270, 13951007), (1630, 10869803), (1778, 9965005), (2282, 7764145), (4445, 3986002), (5705, 3105658), (8890, 1993001), (11410, 1552829), (12227, 1449070), (20701, 855890), (24454, 724535), (41402, 427945), (61135, 289814), (85589, 207010), (103505, 171178), (122270, 144907)]