158156786

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{383}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 254803968

約数和(自身を除く): 96647182

約数列:

[1, 2, 23, 46, 47, 94, 191, 382, 383, 766, 1081, 2162, 4393, 8786, 8809, 8977, 17618, 17954, 18001, 36002, 73153, 146306, 206471, 412942, 414023, 828046, 1682519, 3365038, 3438191, 6876382, 79078393, 158156786]

約数ペア:

[(1, 158156786), (2, 79078393), (23, 6876382), (46, 3438191), (47, 3365038), (94, 1682519), (191, 828046), (382, 414023), (383, 412942), (766, 206471), (1081, 146306), (2162, 73153), (4393, 36002), (8786, 18001), (8809, 17954), (8977, 17618)]