71621396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1831}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 157581312

約数和(自身を除く): 85959916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 127, 154, 254, 308, 508, 889, 1397, 1778, 1831, 2794, 3556, 3662, 5588, 7324, 9779, 12817, 19558, 20141, 25634, 39116, 40282, 51268, 80564, 140987, 232537, 281974, 465074, 563948, 930148, 1627759, 2557907, 3255518, 5115814, 6511036, 10231628, 17905349, 35810698, 71621396]

約数ペア:

[(1, 71621396), (2, 35810698), (4, 17905349), (7, 10231628), (11, 6511036), (14, 5115814), (22, 3255518), (28, 2557907), (44, 1627759), (77, 930148), (127, 563948), (154, 465074), (254, 281974), (308, 232537), (508, 140987), (889, 80564), (1397, 51268), (1778, 40282), (1831, 39116), (2794, 25634), (3556, 20141), (3662, 19558), (5588, 12817), (7324, 9779)]