15565511728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{74834191}}^1$

素因数の和:74834212

約数の個数: 20

約数和(自身を含む): 32478039328

約数和(自身を除く): 16912527600

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 74834191, 149668382, 299336764, 598673528, 972844483, 1197347056, 1945688966, 3891377932, 7782755864, 15565511728]

約数ペア:

[(1, 15565511728), (2, 7782755864), (4, 3891377932), (8, 1945688966), (13, 1197347056), (16, 972844483), (26, 598673528), (52, 299336764), (104, 149668382), (208, 74834191)]