31264408

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 70041600

約数和(自身を除く): 38777192

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 79, 148, 158, 191, 259, 296, 316, 382, 518, 553, 632, 764, 1036, 1106, 1337, 1528, 2072, 2212, 2674, 2923, 4424, 5348, 5846, 7067, 10696, 11692, 14134, 15089, 20461, 23384, 28268, 30178, 40922, 49469, 56536, 60356, 81844, 98938, 105623, 120712, 163688, 197876, 211246, 395752, 422492, 558293, 844984, 1116586, 2233172, 3908051, 4466344, 7816102, 15632204, 31264408]

約数ペア:

[(1, 31264408), (2, 15632204), (4, 7816102), (7, 4466344), (8, 3908051), (14, 2233172), (28, 1116586), (37, 844984), (56, 558293), (74, 422492), (79, 395752), (148, 211246), (158, 197876), (191, 163688), (259, 120712), (296, 105623), (316, 98938), (382, 81844), (518, 60356), (553, 56536), (632, 49469), (764, 40922), (1036, 30178), (1106, 28268), (1337, 23384), (1528, 20461), (2072, 15089), (2212, 14134), (2674, 11692), (2923, 10696), (4424, 7067), (5348, 5846)]