128635390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{6553}}^1$

素因数の和:6724

約数の個数: 32

約数和(自身を含む): 251044416

約数和(自身を除く): 122409026

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1510, 1963, 3926, 6553, 9815, 13106, 19630, 32765, 65530, 85189, 170378, 425945, 851890, 989503, 1979006, 4947515, 9895030, 12863539, 25727078, 64317695, 128635390]

約数ペア:

[(1, 128635390), (2, 64317695), (5, 25727078), (10, 12863539), (13, 9895030), (26, 4947515), (65, 1979006), (130, 989503), (151, 851890), (302, 425945), (755, 170378), (1510, 85189), (1963, 65530), (3926, 32765), (6553, 19630), (9815, 13106)]