81989244

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^2\times {\mathrm{1031}}^1$

素因数の和:1135

約数の個数: 54

約数和(自身を含む): 211959384

約数和(自身を除く): 129970140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 423, 564, 846, 1031, 1692, 2062, 2209, 3093, 4124, 4418, 6186, 6627, 8836, 9279, 12372, 13254, 18558, 19881, 26508, 37116, 39762, 48457, 79524, 96914, 145371, 193828, 290742, 436113, 581484, 872226, 1744452, 2277479, 4554958, 6832437, 9109916, 13664874, 20497311, 27329748, 40994622, 81989244]

約数ペア:

[(1, 81989244), (2, 40994622), (3, 27329748), (4, 20497311), (6, 13664874), (9, 9109916), (12, 6832437), (18, 4554958), (36, 2277479), (47, 1744452), (94, 872226), (141, 581484), (188, 436113), (282, 290742), (423, 193828), (564, 145371), (846, 96914), (1031, 79524), (1692, 48457), (2062, 39762), (2209, 37116), (3093, 26508), (4124, 19881), (4418, 18558), (6186, 13254), (6627, 12372), (8836, 9279)]