278002048

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{70061}}^1$

素因数の和:70106

約数の個数: 32

約数和(自身を含む): 571705920

約数和(自身を除く): 293703872

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 70061, 140122, 280244, 560488, 1120976, 2171891, 2241952, 4343782, 4483904, 8687564, 8967808, 17375128, 34750256, 69500512, 139001024, 278002048]

約数ペア:

[(1, 278002048), (2, 139001024), (4, 69500512), (8, 34750256), (16, 17375128), (31, 8967808), (32, 8687564), (62, 4483904), (64, 4343782), (124, 2241952), (128, 2171891), (248, 1120976), (496, 560488), (992, 280244), (1984, 140122), (3968, 70061)]