155890648

素因数分解:

$2^3\times {\mathrm{487}}^1\times {\mathrm{40013}}^1$

素因数の和:40506

約数の個数: 16

約数和(自身を含む): 292902480

約数和(自身を除く): 137011832

約数列:

[1, 2, 4, 8, 487, 974, 1948, 3896, 40013, 80026, 160052, 320104, 19486331, 38972662, 77945324, 155890648]

約数ペア:

[(1, 155890648), (2, 77945324), (4, 38972662), (8, 19486331), (487, 320104), (974, 160052), (1948, 80026), (3896, 40013)]