1639825430

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1\times {\mathrm{2347}}^1$

素因数の和:3104

約数の個数: 32

約数和(自身を含む): 2984683680

約数和(自身を除く): 1344858250

約数列:

[1, 2, 5, 10, 109, 218, 545, 641, 1090, 1282, 2347, 3205, 4694, 6410, 11735, 23470, 69869, 139738, 255823, 349345, 511646, 698690, 1279115, 1504427, 2558230, 3008854, 7522135, 15044270, 163982543, 327965086, 819912715, 1639825430]

約数ペア:

[(1, 1639825430), (2, 819912715), (5, 327965086), (10, 163982543), (109, 15044270), (218, 7522135), (545, 3008854), (641, 2558230), (1090, 1504427), (1282, 1279115), (2347, 698690), (3205, 511646), (4694, 349345), (6410, 255823), (11735, 139738), (23470, 69869)]