31718872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^2\times {\mathrm{67}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 65012760

約数和(自身を除く): 33293888

約数列:

[1, 2, 4, 8, 17, 34, 59, 67, 68, 118, 134, 136, 236, 268, 472, 536, 1003, 1139, 2006, 2278, 3481, 3953, 4012, 4556, 6962, 7906, 8024, 9112, 13924, 15812, 27848, 31624, 59177, 67201, 118354, 134402, 233227, 236708, 268804, 466454, 473416, 537608, 932908, 1865816, 3964859, 7929718, 15859436, 31718872]

約数ペア:

[(1, 31718872), (2, 15859436), (4, 7929718), (8, 3964859), (17, 1865816), (34, 932908), (59, 537608), (67, 473416), (68, 466454), (118, 268804), (134, 236708), (136, 233227), (236, 134402), (268, 118354), (472, 67201), (536, 59177), (1003, 31624), (1139, 27848), (2006, 15812), (2278, 13924), (3481, 9112), (3953, 8024), (4012, 7906), (4556, 6962)]