128878177

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{947}}^1$

素因数の和:1128

約数の個数: 16

約数和(自身を含む): 138241152

約数和(自身を除く): 9362975

約数列:

[1, 23, 61, 97, 947, 1403, 2231, 5917, 21781, 57767, 91859, 136091, 1328641, 2112757, 5603399, 128878177]

約数ペア:

[(1, 128878177), (23, 5603399), (61, 2112757), (97, 1328641), (947, 136091), (1403, 91859), (2231, 57767), (5917, 21781)]