221397384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{709607}}^1$

素因数の和:709629

約数の個数: 32

約数和(自身を含む): 596070720

約数和(自身を除く): 374673336

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 709607, 1419214, 2128821, 2838428, 4257642, 5676856, 8515284, 9224891, 17030568, 18449782, 27674673, 36899564, 55349346, 73799128, 110698692, 221397384]

約数ペア:

[(1, 221397384), (2, 110698692), (3, 73799128), (4, 55349346), (6, 36899564), (8, 27674673), (12, 18449782), (13, 17030568), (24, 9224891), (26, 8515284), (39, 5676856), (52, 4257642), (78, 2838428), (104, 2128821), (156, 1419214), (312, 709607)]