201581456

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{1579}}^1$

素因数の和:1767

約数の個数: 40

約数和(自身を含む): 399676800

約数和(自身を除く): 198095344

約数列:

[1, 2, 4, 8, 16, 79, 101, 158, 202, 316, 404, 632, 808, 1264, 1579, 1616, 3158, 6316, 7979, 12632, 15958, 25264, 31916, 63832, 124741, 127664, 159479, 249482, 318958, 498964, 637916, 997928, 1275832, 1995856, 2551664, 12598841, 25197682, 50395364, 100790728, 201581456]

約数ペア:

[(1, 201581456), (2, 100790728), (4, 50395364), (8, 25197682), (16, 12598841), (79, 2551664), (101, 1995856), (158, 1275832), (202, 997928), (316, 637916), (404, 498964), (632, 318958), (808, 249482), (1264, 159479), (1579, 127664), (1616, 124741), (3158, 63832), (6316, 31916), (7979, 25264), (12632, 15958)]