31761808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{491}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 66620736

約数和(自身を除く): 34858928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311, 491, 622, 982, 1244, 1964, 2488, 3928, 4043, 4976, 6383, 7856, 8086, 12766, 16172, 25532, 32344, 51064, 64688, 102128, 152701, 305402, 610804, 1221608, 1985113, 2443216, 3970226, 7940452, 15880904, 31761808]

約数ペア:

[(1, 31761808), (2, 15880904), (4, 7940452), (8, 3970226), (13, 2443216), (16, 1985113), (26, 1221608), (52, 610804), (104, 305402), (208, 152701), (311, 102128), (491, 64688), (622, 51064), (982, 32344), (1244, 25532), (1964, 16172), (2488, 12766), (3928, 8086), (4043, 7856), (4976, 6383)]