81536545

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{1987}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 101626560

約数和(自身を除く): 20090015

約数列:

[1, 5, 29, 145, 283, 1415, 1987, 8207, 9935, 41035, 57623, 288115, 562321, 2811605, 16307309, 81536545]

約数ペア:

[(1, 81536545), (5, 16307309), (29, 2811605), (145, 562321), (283, 288115), (1415, 57623), (1987, 41035), (8207, 9935)]