389610505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{883}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 515548800

約数和(自身を除く): 125938295

約数列:

[1, 5, 17, 29, 85, 145, 179, 493, 883, 895, 2465, 3043, 4415, 5191, 15011, 15215, 25607, 25955, 75055, 88247, 128035, 158057, 435319, 441235, 790285, 2176595, 2686969, 4583653, 13434845, 22918265, 77922101, 389610505]

約数ペア:

[(1, 389610505), (5, 77922101), (17, 22918265), (29, 13434845), (85, 4583653), (145, 2686969), (179, 2176595), (493, 790285), (883, 441235), (895, 435319), (2465, 158057), (3043, 128035), (4415, 88247), (5191, 75055), (15011, 25955), (15215, 25607)]