781378055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{617}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 1018780416

約数和(自身を除く): 237402361

約数列:

[1, 5, 17, 47, 85, 235, 317, 617, 799, 1585, 3085, 3995, 5389, 10489, 14899, 26945, 28999, 52445, 74495, 144995, 195589, 253283, 492983, 977945, 1266415, 2464915, 3325013, 9192683, 16625065, 45963415, 156275611, 781378055]

約数ペア:

[(1, 781378055), (5, 156275611), (17, 45963415), (47, 16625065), (85, 9192683), (235, 3325013), (317, 2464915), (617, 1266415), (799, 977945), (1585, 492983), (3085, 253283), (3995, 195589), (5389, 144995), (10489, 74495), (14899, 52445), (26945, 28999)]