178307968

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{81943}}^1$

素因数の和:81974

約数の個数: 32

約数和(自身を含む): 376122960

約数和(自身を除く): 197814992

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 81943, 163886, 327772, 655544, 1311088, 1393031, 2622176, 2786062, 5244352, 5572124, 10488704, 11144248, 22288496, 44576992, 89153984, 178307968]

約数ペア:

[(1, 178307968), (2, 89153984), (4, 44576992), (8, 22288496), (16, 11144248), (17, 10488704), (32, 5572124), (34, 5244352), (64, 2786062), (68, 2622176), (128, 1393031), (136, 1311088), (272, 655544), (544, 327772), (1088, 163886), (2176, 81943)]