81777008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2087}}^1$

素因数の和:2205

約数の個数: 40

約数和(自身を含む): 165703680

約数和(自身を除く): 83926672

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 496, 632, 1264, 2087, 2449, 4174, 4898, 8348, 9796, 16696, 19592, 33392, 39184, 64697, 129394, 164873, 258788, 329746, 517576, 659492, 1035152, 1318984, 2637968, 5111063, 10222126, 20444252, 40888504, 81777008]

約数ペア:

[(1, 81777008), (2, 40888504), (4, 20444252), (8, 10222126), (16, 5111063), (31, 2637968), (62, 1318984), (79, 1035152), (124, 659492), (158, 517576), (248, 329746), (316, 258788), (496, 164873), (632, 129394), (1264, 64697), (2087, 39184), (2449, 33392), (4174, 19592), (4898, 16696), (8348, 9796)]