257718996

素因数分解:

$2^2\times 3^6\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2904

約数の個数: 84

約数和(自身を含む): 698260864

約数和(自身を除く): 440541868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 729, 837, 972, 1116, 1458, 1674, 2511, 2851, 2916, 3348, 5022, 5702, 7533, 8553, 10044, 11404, 15066, 17106, 22599, 25659, 30132, 34212, 45198, 51318, 76977, 88381, 90396, 102636, 153954, 176762, 230931, 265143, 307908, 353524, 461862, 530286, 692793, 795429, 923724, 1060572, 1385586, 1590858, 2078379, 2386287, 2771172, 3181716, 4156758, 4772574, 7158861, 8313516, 9545148, 14317722, 21476583, 28635444, 42953166, 64429749, 85906332, 128859498, 257718996]

約数ペア:

[(1, 257718996), (2, 128859498), (3, 85906332), (4, 64429749), (6, 42953166), (9, 28635444), (12, 21476583), (18, 14317722), (27, 9545148), (31, 8313516), (36, 7158861), (54, 4772574), (62, 4156758), (81, 3181716), (93, 2771172), (108, 2386287), (124, 2078379), (162, 1590858), (186, 1385586), (243, 1060572), (279, 923724), (324, 795429), (372, 692793), (486, 530286), (558, 461862), (729, 353524), (837, 307908), (972, 265143), (1116, 230931), (1458, 176762), (1674, 153954), (2511, 102636), (2851, 90396), (2916, 88381), (3348, 76977), (5022, 51318), (5702, 45198), (7533, 34212), (8553, 30132), (10044, 25659), (11404, 22599), (15066, 17106)]