7861490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 17853696

約数和(自身を除く): 9992206

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 53, 65, 70, 91, 106, 130, 163, 182, 265, 326, 371, 455, 530, 689, 742, 815, 910, 1141, 1378, 1630, 1855, 2119, 2282, 3445, 3710, 4238, 4823, 5705, 6890, 8639, 9646, 10595, 11410, 14833, 17278, 21190, 24115, 29666, 43195, 48230, 60473, 74165, 86390, 112307, 120946, 148330, 224614, 302365, 561535, 604730, 786149, 1123070, 1572298, 3930745, 7861490]

約数ペア:

[(1, 7861490), (2, 3930745), (5, 1572298), (7, 1123070), (10, 786149), (13, 604730), (14, 561535), (26, 302365), (35, 224614), (53, 148330), (65, 120946), (70, 112307), (91, 86390), (106, 74165), (130, 60473), (163, 48230), (182, 43195), (265, 29666), (326, 24115), (371, 21190), (455, 17278), (530, 14833), (689, 11410), (742, 10595), (815, 9646), (910, 8639), (1141, 6890), (1378, 5705), (1630, 4823), (1855, 4238), (2119, 3710), (2282, 3445)]