31615168

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 84

約数和(自身を含む): 70652640

約数和(自身を除く): 39037472

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 79, 104, 148, 158, 169, 208, 296, 316, 338, 416, 481, 592, 632, 676, 832, 962, 1027, 1184, 1264, 1352, 1924, 2054, 2368, 2528, 2704, 2923, 3848, 4108, 5056, 5408, 5846, 6253, 7696, 8216, 10816, 11692, 12506, 13351, 15392, 16432, 23384, 25012, 26702, 30784, 32864, 37999, 46768, 50024, 53404, 65728, 75998, 93536, 100048, 106808, 151996, 187072, 200096, 213616, 303992, 400192, 427232, 493987, 607984, 854464, 987974, 1215968, 1975948, 2431936, 3951896, 7903792, 15807584, 31615168]

約数ペア:

[(1, 31615168), (2, 15807584), (4, 7903792), (8, 3951896), (13, 2431936), (16, 1975948), (26, 1215968), (32, 987974), (37, 854464), (52, 607984), (64, 493987), (74, 427232), (79, 400192), (104, 303992), (148, 213616), (158, 200096), (169, 187072), (208, 151996), (296, 106808), (316, 100048), (338, 93536), (416, 75998), (481, 65728), (592, 53404), (632, 50024), (676, 46768), (832, 37999), (962, 32864), (1027, 30784), (1184, 26702), (1264, 25012), (1352, 23384), (1924, 16432), (2054, 15392), (2368, 13351), (2528, 12506), (2704, 11692), (2923, 10816), (3848, 8216), (4108, 7696), (5056, 6253), (5408, 5846)]