80247718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 131725440

約数和(自身を除く): 51477722

約数列:

[1, 2, 17, 34, 43, 86, 131, 262, 419, 731, 838, 1462, 2227, 4454, 5633, 7123, 11266, 14246, 18017, 36034, 54889, 95761, 109778, 191522, 306289, 612578, 933113, 1866226, 2360227, 4720454, 40123859, 80247718]

約数ペア:

[(1, 80247718), (2, 40123859), (17, 4720454), (34, 2360227), (43, 1866226), (86, 933113), (131, 612578), (262, 306289), (419, 191522), (731, 109778), (838, 95761), (1462, 54889), (2227, 36034), (4454, 18017), (5633, 14246), (7123, 11266)]