28917830

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 53171424

約数和(自身を除く): 24253594

約数列:

[1, 2, 5, 10, 113, 157, 163, 226, 314, 326, 565, 785, 815, 1130, 1570, 1630, 17741, 18419, 25591, 35482, 36838, 51182, 88705, 92095, 127955, 177410, 184190, 255910, 2891783, 5783566, 14458915, 28917830]

約数ペア:

[(1, 28917830), (2, 14458915), (5, 5783566), (10, 2891783), (113, 255910), (157, 184190), (163, 177410), (226, 127955), (314, 92095), (326, 88705), (565, 51182), (785, 36838), (815, 35482), (1130, 25591), (1570, 18419), (1630, 17741)]