1215968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 2681280

約数和(自身を除く): 1465312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 74, 79, 104, 148, 158, 208, 296, 316, 416, 481, 592, 632, 962, 1027, 1184, 1264, 1924, 2054, 2528, 2923, 3848, 4108, 5846, 7696, 8216, 11692, 15392, 16432, 23384, 32864, 37999, 46768, 75998, 93536, 151996, 303992, 607984, 1215968]

約数ペア:

[(1, 1215968), (2, 607984), (4, 303992), (8, 151996), (13, 93536), (16, 75998), (26, 46768), (32, 37999), (37, 32864), (52, 23384), (74, 16432), (79, 15392), (104, 11692), (148, 8216), (158, 7696), (208, 5846), (296, 4108), (316, 3848), (416, 2923), (481, 2528), (592, 2054), (632, 1924), (962, 1264), (1027, 1184)]