28986776

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 69249600

約数和(自身を除く): 40262824

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, 1373, 1508, 1624, 2639, 2746, 3016, 5278, 5492, 9611, 10556, 10984, 17849, 19222, 21112, 35698, 38444, 39817, 71396, 76888, 79634, 124943, 142792, 159268, 249886, 278719, 318536, 499772, 517621, 557438, 999544, 1035242, 1114876, 2070484, 2229752, 3623347, 4140968, 7246694, 14493388, 28986776]

約数ペア:

[(1, 28986776), (2, 14493388), (4, 7246694), (7, 4140968), (8, 3623347), (13, 2229752), (14, 2070484), (26, 1114876), (28, 1035242), (29, 999544), (52, 557438), (56, 517621), (58, 499772), (91, 318536), (104, 278719), (116, 249886), (182, 159268), (203, 142792), (232, 124943), (364, 79634), (377, 76888), (406, 71396), (728, 39817), (754, 38444), (812, 35698), (1373, 21112), (1508, 19222), (1624, 17849), (2639, 10984), (2746, 10556), (3016, 9611), (5278, 5492)]