31867888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1$

素因数の和:809

約数の個数: 40

約数和(自身を含む): 66836000

約数和(自身を除く): 34968112

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 349, 439, 698, 878, 1396, 1756, 2792, 3512, 4537, 5584, 5707, 7024, 9074, 11414, 18148, 22828, 36296, 45656, 72592, 91312, 153211, 306422, 612844, 1225688, 1991743, 2451376, 3983486, 7966972, 15933944, 31867888]

約数ペア:

[(1, 31867888), (2, 15933944), (4, 7966972), (8, 3983486), (13, 2451376), (16, 1991743), (26, 1225688), (52, 612844), (104, 306422), (208, 153211), (349, 91312), (439, 72592), (698, 45656), (878, 36296), (1396, 22828), (1756, 18148), (2792, 11414), (3512, 9074), (4537, 7024), (5584, 5707)]