314996890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{78163}}^1$

素因数の和:78214

約数の個数: 32

約数和(自身を含む): 630314496

約数和(自身を除く): 315317606

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 78163, 156326, 390815, 781630, 1016119, 2032238, 2423053, 4846106, 5080595, 10161190, 12115265, 24230530, 31499689, 62999378, 157498445, 314996890]

約数ペア:

[(1, 314996890), (2, 157498445), (5, 62999378), (10, 31499689), (13, 24230530), (26, 12115265), (31, 10161190), (62, 5080595), (65, 4846106), (130, 2423053), (155, 2032238), (310, 1016119), (403, 781630), (806, 390815), (2015, 156326), (4030, 78163)]