1420242005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{66413}}^1$

素因数の和:66485

約数の個数: 32

約数和(自身を含む): 2142249984

約数和(自身を除く): 722007979

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 1645, 3055, 4277, 21385, 66413, 332065, 464891, 863369, 2324455, 3121411, 4316845, 6043583, 15607055, 21849877, 30217915, 40578343, 109249385, 202891715, 284048401, 1420242005]

約数ペア:

[(1, 1420242005), (5, 284048401), (7, 202891715), (13, 109249385), (35, 40578343), (47, 30217915), (65, 21849877), (91, 15607055), (235, 6043583), (329, 4316845), (455, 3121411), (611, 2324455), (1645, 863369), (3055, 464891), (4277, 332065), (21385, 66413)]