989363858

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1597}}^1$

素因数の和:1779

約数の個数: 64

約数和(自身を含む): 1905327360

約数和(自身を除く): 915963502

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 137, 238, 266, 274, 323, 646, 959, 1597, 1918, 2261, 2329, 2603, 3194, 4522, 4658, 5206, 11179, 16303, 18221, 22358, 27149, 30343, 32606, 36442, 44251, 54298, 60686, 88502, 190043, 212401, 218789, 309757, 380086, 424802, 437578, 515831, 619514, 1031662, 1531523, 3063046, 3610817, 3719413, 4156991, 7221634, 7438826, 8313982, 26035891, 29098937, 52071782, 58197874, 70668847, 141337694, 494681929, 989363858]

約数ペア:

[(1, 989363858), (2, 494681929), (7, 141337694), (14, 70668847), (17, 58197874), (19, 52071782), (34, 29098937), (38, 26035891), (119, 8313982), (133, 7438826), (137, 7221634), (238, 4156991), (266, 3719413), (274, 3610817), (323, 3063046), (646, 1531523), (959, 1031662), (1597, 619514), (1918, 515831), (2261, 437578), (2329, 424802), (2603, 380086), (3194, 309757), (4522, 218789), (4658, 212401), (5206, 190043), (11179, 88502), (16303, 60686), (18221, 54298), (22358, 44251), (27149, 36442), (30343, 32606)]