31725304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 67687200

約数和(自身を除く): 35961896

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 67, 104, 116, 134, 157, 232, 268, 314, 377, 536, 628, 754, 871, 1256, 1508, 1742, 1943, 2041, 3016, 3484, 3886, 4082, 4553, 6968, 7772, 8164, 9106, 10519, 15544, 16328, 18212, 21038, 25259, 36424, 42076, 50518, 59189, 84152, 101036, 118378, 136747, 202072, 236756, 273494, 305051, 473512, 546988, 610102, 1093976, 1220204, 2440408, 3965663, 7931326, 15862652, 31725304]

約数ペア:

[(1, 31725304), (2, 15862652), (4, 7931326), (8, 3965663), (13, 2440408), (26, 1220204), (29, 1093976), (52, 610102), (58, 546988), (67, 473512), (104, 305051), (116, 273494), (134, 236756), (157, 202072), (232, 136747), (268, 118378), (314, 101036), (377, 84152), (536, 59189), (628, 50518), (754, 42076), (871, 36424), (1256, 25259), (1508, 21038), (1742, 18212), (1943, 16328), (2041, 15544), (3016, 10519), (3484, 9106), (3886, 8164), (4082, 7772), (4553, 6968)]