30785209

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 38895552

約数和(自身を除く): 8110343

約数列:

[1, 7, 13, 53, 91, 169, 371, 491, 689, 1183, 3437, 4823, 6383, 8957, 26023, 44681, 62699, 82979, 182161, 338299, 580853, 2368093, 4397887, 30785209]

約数ペア:

[(1, 30785209), (7, 4397887), (13, 2368093), (53, 580853), (91, 338299), (169, 182161), (371, 82979), (491, 62699), (689, 44681), (1183, 26023), (3437, 8957), (4823, 6383)]