193290890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47963}}^1$

素因数の和:48014

約数の個数: 32

約数和(自身を含む): 386781696

約数和(自身を除く): 193490806

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 47963, 95926, 239815, 479630, 623519, 1247038, 1486853, 2973706, 3117595, 6235190, 7434265, 14868530, 19329089, 38658178, 96645445, 193290890]

約数ペア:

[(1, 193290890), (2, 96645445), (5, 38658178), (10, 19329089), (13, 14868530), (26, 7434265), (31, 6235190), (62, 3117595), (65, 2973706), (130, 1486853), (155, 1247038), (310, 623519), (403, 479630), (806, 239815), (2015, 95926), (4030, 47963)]