72478072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1303}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 144352800

約数和(自身を除く): 71874728

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 409, 818, 1303, 1636, 2606, 3272, 5212, 6953, 10424, 13906, 22151, 27812, 44302, 55624, 88604, 177208, 532927, 1065854, 2131708, 4263416, 9059759, 18119518, 36239036, 72478072]

約数ペア:

[(1, 72478072), (2, 36239036), (4, 18119518), (8, 9059759), (17, 4263416), (34, 2131708), (68, 1065854), (136, 532927), (409, 177208), (818, 88604), (1303, 55624), (1636, 44302), (2606, 27812), (3272, 22151), (5212, 13906), (6953, 10424)]