221400016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{1279}}^1$

素因数の和:1667

約数の個数: 40

約数和(自身を含む): 444416000

約数和(自身を除く): 223015984

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 349, 496, 698, 1279, 1396, 2558, 2792, 5116, 5584, 10232, 10819, 20464, 21638, 39649, 43276, 79298, 86552, 158596, 173104, 317192, 446371, 634384, 892742, 1785484, 3570968, 7141936, 13837501, 27675002, 55350004, 110700008, 221400016]

約数ペア:

[(1, 221400016), (2, 110700008), (4, 55350004), (8, 27675002), (16, 13837501), (31, 7141936), (62, 3570968), (124, 1785484), (248, 892742), (349, 634384), (496, 446371), (698, 317192), (1279, 173104), (1396, 158596), (2558, 86552), (2792, 79298), (5116, 43276), (5584, 39649), (10232, 21638), (10819, 20464)]