208601728

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{52571}}^1$

素因数の和:52616

約数の個数: 32

約数和(自身を含む): 428987520

約数和(自身を除く): 220385792

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 52571, 105142, 210284, 420568, 841136, 1629701, 1682272, 3259402, 3364544, 6518804, 6729088, 13037608, 26075216, 52150432, 104300864, 208601728]

約数ペア:

[(1, 208601728), (2, 104300864), (4, 52150432), (8, 26075216), (16, 13037608), (31, 6729088), (32, 6518804), (62, 3364544), (64, 3259402), (124, 1682272), (128, 1629701), (248, 841136), (496, 420568), (992, 210284), (1984, 105142), (3968, 52571)]