890398910

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1\times {\mathrm{3271}}^1$

素因数の和:3608

約数の個数: 32

約数和(自身を含む): 1622702592

約数和(自身を除く): 732303682

約数列:

[1, 2, 5, 10, 163, 167, 326, 334, 815, 835, 1630, 1670, 3271, 6542, 16355, 27221, 32710, 54442, 136105, 272210, 533173, 546257, 1066346, 1092514, 2665865, 2731285, 5331730, 5462570, 89039891, 178079782, 445199455, 890398910]

約数ペア:

[(1, 890398910), (2, 445199455), (5, 178079782), (10, 89039891), (163, 5462570), (167, 5331730), (326, 2731285), (334, 2665865), (815, 1092514), (835, 1066346), (1630, 546257), (1670, 533173), (3271, 272210), (6542, 136105), (16355, 54442), (27221, 32710)]