291212032

素因数分解:

$2^8\times {\mathrm{1137547}}^1$

素因数の和:1137563

約数の個数: 18

約数和(自身を含む): 581287028

約数和(自身を除く): 290074996

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1137547, 2275094, 4550188, 9100376, 18200752, 36401504, 72803008, 145606016, 291212032]

約数ペア:

[(1, 291212032), (2, 145606016), (4, 72803008), (8, 36401504), (16, 18200752), (32, 9100376), (64, 4550188), (128, 2275094), (256, 1137547)]