126997390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{31513}}^1$

素因数の和:31564

約数の個数: 32

約数和(自身を含む): 254128896

約数和(自身を除く): 127131506

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 31513, 63026, 157565, 315130, 409669, 819338, 976903, 1953806, 2048345, 4096690, 4884515, 9769030, 12699739, 25399478, 63498695, 126997390]

約数ペア:

[(1, 126997390), (2, 63498695), (5, 25399478), (10, 12699739), (13, 9769030), (26, 4884515), (31, 4096690), (62, 2048345), (65, 1953806), (130, 976903), (155, 819338), (310, 409669), (403, 315130), (806, 157565), (2015, 63026), (4030, 31513)]