251352556

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4289}}^1$

素因数の和:4343

約数の個数: 72

約数和(自身を含む): 575134560

約数和(自身を除く): 323782004

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 182, 196, 299, 322, 364, 598, 637, 644, 1127, 1196, 1274, 2093, 2254, 2548, 4186, 4289, 4508, 8372, 8578, 14651, 17156, 29302, 30023, 55757, 58604, 60046, 98647, 111514, 120092, 197294, 210161, 223028, 390299, 394588, 420322, 690529, 780598, 840644, 1282411, 1381058, 1561196, 2564822, 2732093, 2762116, 4833703, 5129644, 5464186, 8976877, 9667406, 10928372, 17953754, 19334812, 35907508, 62838139, 125676278, 251352556]

約数ペア:

[(1, 251352556), (2, 125676278), (4, 62838139), (7, 35907508), (13, 19334812), (14, 17953754), (23, 10928372), (26, 9667406), (28, 8976877), (46, 5464186), (49, 5129644), (52, 4833703), (91, 2762116), (92, 2732093), (98, 2564822), (161, 1561196), (182, 1381058), (196, 1282411), (299, 840644), (322, 780598), (364, 690529), (598, 420322), (637, 394588), (644, 390299), (1127, 223028), (1196, 210161), (1274, 197294), (2093, 120092), (2254, 111514), (2548, 98647), (4186, 60046), (4289, 58604), (4508, 55757), (8372, 30023), (8578, 29302), (14651, 17156)]