217438984

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{701}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 485222400

約数和(自身を除く): 267783416

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 191, 203, 232, 382, 406, 701, 764, 812, 1337, 1402, 1528, 1624, 2674, 2804, 4907, 5348, 5539, 5608, 9814, 10696, 11078, 19628, 20329, 22156, 38773, 39256, 40658, 44312, 77546, 81316, 133891, 142303, 155092, 162632, 267782, 284606, 310184, 535564, 569212, 937237, 1071128, 1138424, 1874474, 3748948, 3882839, 7497896, 7765678, 15531356, 27179873, 31062712, 54359746, 108719492, 217438984]

約数ペア:

[(1, 217438984), (2, 108719492), (4, 54359746), (7, 31062712), (8, 27179873), (14, 15531356), (28, 7765678), (29, 7497896), (56, 3882839), (58, 3748948), (116, 1874474), (191, 1138424), (203, 1071128), (232, 937237), (382, 569212), (406, 535564), (701, 310184), (764, 284606), (812, 267782), (1337, 162632), (1402, 155092), (1528, 142303), (1624, 133891), (2674, 81316), (2804, 77546), (4907, 44312), (5348, 40658), (5539, 39256), (5608, 38773), (9814, 22156), (10696, 20329), (11078, 19628)]