187869890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{85009}}^1$

素因数の和:85046

約数の個数: 32

約数和(自身を含む): 385605360

約数和(自身を除く): 197735470

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 85009, 170018, 425045, 850090, 1105117, 1445153, 2210234, 2890306, 5525585, 7225765, 11051170, 14451530, 18786989, 37573978, 93934945, 187869890]

約数ペア:

[(1, 187869890), (2, 93934945), (5, 37573978), (10, 18786989), (13, 14451530), (17, 11051170), (26, 7225765), (34, 5525585), (65, 2890306), (85, 2210234), (130, 1445153), (170, 1105117), (221, 850090), (442, 425045), (1105, 170018), (2210, 85009)]