1688870729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{26627}}^1$

素因数の和:26705

約数の個数: 32

約数和(自身を含む): 2254646016

約数和(自身を除く): 565775287

約数列:

[1, 7, 13, 17, 41, 91, 119, 221, 287, 533, 697, 1547, 3731, 4879, 9061, 26627, 63427, 186389, 346151, 452659, 1091707, 2423057, 3168613, 5884567, 7641949, 14192191, 18559019, 41191969, 99345337, 129913133, 241267247, 1688870729]

約数ペア:

[(1, 1688870729), (7, 241267247), (13, 129913133), (17, 99345337), (41, 41191969), (91, 18559019), (119, 14192191), (221, 7641949), (287, 5884567), (533, 3168613), (697, 2423057), (1547, 1091707), (3731, 452659), (4879, 346151), (9061, 186389), (26627, 63427)]