138889924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{29959}}^1$

素因数の和:30043

約数の個数: 24

約数和(自身を含む): 260052800

約数和(自身を除く): 121162876

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 29959, 59918, 119836, 569221, 1138442, 1827499, 2276884, 3654998, 7309996, 34722481, 69444962, 138889924]

約数ペア:

[(1, 138889924), (2, 69444962), (4, 34722481), (19, 7309996), (38, 3654998), (61, 2276884), (76, 1827499), (122, 1138442), (244, 569221), (1159, 119836), (2318, 59918), (4636, 29959)]