31140616

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 65352960

約数和(自身を除く): 34212344

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 676, 743, 806, 1352, 1486, 1612, 2972, 3224, 5239, 5944, 9659, 10478, 19318, 20956, 23033, 38636, 41912, 46066, 77272, 92132, 125567, 184264, 251134, 299429, 502268, 598858, 1004536, 1197716, 2395432, 3892577, 7785154, 15570308, 31140616]

約数ペア:

[(1, 31140616), (2, 15570308), (4, 7785154), (8, 3892577), (13, 2395432), (26, 1197716), (31, 1004536), (52, 598858), (62, 502268), (104, 299429), (124, 251134), (169, 184264), (248, 125567), (338, 92132), (403, 77272), (676, 46066), (743, 41912), (806, 38636), (1352, 23033), (1486, 20956), (1612, 19318), (2972, 10478), (3224, 9659), (5239, 5944)]