71491992

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 216034560

約数和(自身を除く): 144542568

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 37, 39, 44, 52, 66, 74, 78, 88, 104, 111, 132, 143, 148, 156, 222, 264, 286, 296, 312, 407, 429, 444, 481, 563, 572, 814, 858, 888, 962, 1126, 1144, 1221, 1443, 1628, 1689, 1716, 1924, 2252, 2442, 2886, 3256, 3378, 3432, 3848, 4504, 4884, 5291, 5772, 6193, 6756, 7319, 9768, 10582, 11544, 12386, 13512, 14638, 15873, 18579, 20831, 21164, 21957, 24772, 29276, 31746, 37158, 41662, 42328, 43914, 49544, 58552, 62493, 63492, 74316, 80509, 83324, 87828, 124986, 126984, 148632, 161018, 166648, 175656, 229141, 241527, 249972, 270803, 322036, 458282, 483054, 499944, 541606, 644072, 687423, 812409, 916564, 966108, 1083212, 1374846, 1624818, 1833128, 1932216, 2166424, 2749692, 2978833, 3249636, 5499384, 5957666, 6499272, 8936499, 11915332, 17872998, 23830664, 35745996, 71491992]

約数ペア:

[(1, 71491992), (2, 35745996), (3, 23830664), (4, 17872998), (6, 11915332), (8, 8936499), (11, 6499272), (12, 5957666), (13, 5499384), (22, 3249636), (24, 2978833), (26, 2749692), (33, 2166424), (37, 1932216), (39, 1833128), (44, 1624818), (52, 1374846), (66, 1083212), (74, 966108), (78, 916564), (88, 812409), (104, 687423), (111, 644072), (132, 541606), (143, 499944), (148, 483054), (156, 458282), (222, 322036), (264, 270803), (286, 249972), (296, 241527), (312, 229141), (407, 175656), (429, 166648), (444, 161018), (481, 148632), (563, 126984), (572, 124986), (814, 87828), (858, 83324), (888, 80509), (962, 74316), (1126, 63492), (1144, 62493), (1221, 58552), (1443, 49544), (1628, 43914), (1689, 42328), (1716, 41662), (1924, 37158), (2252, 31746), (2442, 29276), (2886, 24772), (3256, 21957), (3378, 21164), (3432, 20831), (3848, 18579), (4504, 15873), (4884, 14638), (5291, 13512), (5772, 12386), (6193, 11544), (6756, 10582), (7319, 9768)]