220948

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 476672

約数和(自身を除く): 255724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 607, 1214, 2428, 4249, 7891, 8498, 15782, 16996, 31564, 55237, 110474, 220948]

約数ペア:

[(1, 220948), (2, 110474), (4, 55237), (7, 31564), (13, 16996), (14, 15782), (26, 8498), (28, 7891), (52, 4249), (91, 2428), (182, 1214), (364, 607)]