42971890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10663}}^1$

素因数の和:10714

約数の個数: 32

約数和(自身を含む): 85994496

約数和(自身を除く): 43022606

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 10663, 21326, 53315, 106630, 138619, 277238, 330553, 661106, 693095, 1386190, 1652765, 3305530, 4297189, 8594378, 21485945, 42971890]

約数ペア:

[(1, 42971890), (2, 21485945), (5, 8594378), (10, 4297189), (13, 3305530), (26, 1652765), (31, 1386190), (62, 693095), (65, 661106), (130, 330553), (155, 277238), (310, 138619), (403, 106630), (806, 53315), (2015, 21326), (4030, 10663)]