1878968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 4536000

約数和(自身を除く): 2657032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 89, 91, 104, 116, 178, 182, 203, 232, 356, 364, 377, 406, 623, 712, 728, 754, 812, 1157, 1246, 1508, 1624, 2314, 2492, 2581, 2639, 3016, 4628, 4984, 5162, 5278, 8099, 9256, 10324, 10556, 16198, 18067, 20648, 21112, 32396, 33553, 36134, 64792, 67106, 72268, 134212, 144536, 234871, 268424, 469742, 939484, 1878968]

約数ペア:

[(1, 1878968), (2, 939484), (4, 469742), (7, 268424), (8, 234871), (13, 144536), (14, 134212), (26, 72268), (28, 67106), (29, 64792), (52, 36134), (56, 33553), (58, 32396), (89, 21112), (91, 20648), (104, 18067), (116, 16198), (178, 10556), (182, 10324), (203, 9256), (232, 8099), (356, 5278), (364, 5162), (377, 4984), (406, 4628), (623, 3016), (712, 2639), (728, 2581), (754, 2492), (812, 2314), (1157, 1624), (1246, 1508)]