28778630762

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{773}}^1\times {\mathrm{857}}^1$

素因数の和:1775

約数の個数: 64

約数和(自身を含む): 51639793920

約数和(自身を除く): 22861163158

約数列:

[1, 2, 7, 14, 29, 58, 107, 203, 214, 406, 749, 773, 857, 1498, 1546, 1714, 3103, 5411, 5999, 6206, 10822, 11998, 21721, 22417, 24853, 43442, 44834, 49706, 82711, 91699, 156919, 165422, 173971, 183398, 313838, 347942, 578977, 641893, 662461, 1157954, 1283786, 1324922, 2398619, 2659271, 4637227, 4797238, 5318542, 9274454, 16790333, 18614897, 19211369, 33580666, 37229794, 38422738, 70883327, 134479583, 141766654, 268959166, 496183289, 992366578, 2055616483, 4111232966, 14389315381, 28778630762]

約数ペア:

[(1, 28778630762), (2, 14389315381), (7, 4111232966), (14, 2055616483), (29, 992366578), (58, 496183289), (107, 268959166), (203, 141766654), (214, 134479583), (406, 70883327), (749, 38422738), (773, 37229794), (857, 33580666), (1498, 19211369), (1546, 18614897), (1714, 16790333), (3103, 9274454), (5411, 5318542), (5999, 4797238), (6206, 4637227), (10822, 2659271), (11998, 2398619), (21721, 1324922), (22417, 1283786), (24853, 1157954), (43442, 662461), (44834, 641893), (49706, 578977), (82711, 347942), (91699, 313838), (156919, 183398), (165422, 173971)]