155657974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 248909760

約数和(自身を除く): 93251786

約数列:

[1, 2, 23, 46, 89, 178, 193, 197, 386, 394, 2047, 4094, 4439, 4531, 8878, 9062, 17177, 17533, 34354, 35066, 38021, 76042, 395071, 403259, 790142, 806518, 874483, 1748966, 3383869, 6767738, 77828987, 155657974]

約数ペア:

[(1, 155657974), (2, 77828987), (23, 6767738), (46, 3383869), (89, 1748966), (178, 874483), (193, 806518), (197, 790142), (386, 403259), (394, 395071), (2047, 76042), (4094, 38021), (4439, 35066), (4531, 34354), (8878, 17533), (9062, 17177)]