81344536

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3853}}^1$

素因数の和:3908

約数の個数: 64

約数和(自身を含む): 194241600

約数和(自身を除く): 112897064

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 1508, 1624, 2639, 3016, 3853, 5278, 7706, 10556, 15412, 21112, 26971, 30824, 50089, 53942, 100178, 107884, 111737, 200356, 215768, 223474, 350623, 400712, 446948, 701246, 782159, 893896, 1402492, 1452581, 1564318, 2804984, 2905162, 3128636, 5810324, 6257272, 10168067, 11620648, 20336134, 40672268, 81344536]

約数ペア:

[(1, 81344536), (2, 40672268), (4, 20336134), (7, 11620648), (8, 10168067), (13, 6257272), (14, 5810324), (26, 3128636), (28, 2905162), (29, 2804984), (52, 1564318), (56, 1452581), (58, 1402492), (91, 893896), (104, 782159), (116, 701246), (182, 446948), (203, 400712), (232, 350623), (364, 223474), (377, 215768), (406, 200356), (728, 111737), (754, 107884), (812, 100178), (1508, 53942), (1624, 50089), (2639, 30824), (3016, 26971), (3853, 21112), (5278, 15412), (7706, 10556)]