1561408

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:830

約数の個数: 28

約数和(自身を含む): 3202432

約数和(自身を除く): 1641024

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 787, 992, 1574, 1984, 3148, 6296, 12592, 24397, 25184, 48794, 50368, 97588, 195176, 390352, 780704, 1561408]

約数ペア:

[(1, 1561408), (2, 780704), (4, 390352), (8, 195176), (16, 97588), (31, 50368), (32, 48794), (62, 25184), (64, 24397), (124, 12592), (248, 6296), (496, 3148), (787, 1984), (992, 1574)]