198435968

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{91193}}^1$

素因数の和:91224

約数の個数: 32

約数和(自身を含む): 418580460

約数和(自身を除く): 220144492

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 91193, 182386, 364772, 729544, 1459088, 1550281, 2918176, 3100562, 5836352, 6201124, 11672704, 12402248, 24804496, 49608992, 99217984, 198435968]

約数ペア:

[(1, 198435968), (2, 99217984), (4, 49608992), (8, 24804496), (16, 12402248), (17, 11672704), (32, 6201124), (34, 5836352), (64, 3100562), (68, 2918176), (128, 1550281), (136, 1459088), (272, 729544), (544, 364772), (1088, 182386), (2176, 91193)]