68360890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16963}}^1$

素因数の和:17014

約数の個数: 32

約数和(自身を含む): 136797696

約数和(自身を除く): 68436806

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16963, 33926, 84815, 169630, 220519, 441038, 525853, 1051706, 1102595, 2205190, 2629265, 5258530, 6836089, 13672178, 34180445, 68360890]

約数ペア:

[(1, 68360890), (2, 34180445), (5, 13672178), (10, 6836089), (13, 5258530), (26, 2629265), (31, 2205190), (62, 1102595), (65, 1051706), (130, 525853), (155, 441038), (310, 220519), (403, 169630), (806, 84815), (2015, 33926), (4030, 16963)]