158720368

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{23563}}^1$

素因数の和:23992

約数の個数: 20

約数和(自身を含む): 308264248

約数和(自身を除く): 149543880

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 23563, 47126, 94252, 188504, 377008, 9920023, 19840046, 39680092, 79360184, 158720368]

約数ペア:

[(1, 158720368), (2, 79360184), (4, 39680092), (8, 19840046), (16, 9920023), (421, 377008), (842, 188504), (1684, 94252), (3368, 47126), (6736, 23563)]