16443505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 23514624

約数和(自身を除く): 7071119

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 647, 1105, 1495, 1955, 3235, 5083, 8411, 10999, 14881, 25415, 42055, 54995, 74405, 142987, 193453, 252977, 714935, 967265, 1264885, 3288701, 16443505]

約数ペア:

[(1, 16443505), (5, 3288701), (13, 1264885), (17, 967265), (23, 714935), (65, 252977), (85, 193453), (115, 142987), (221, 74405), (299, 54995), (391, 42055), (647, 25415), (1105, 14881), (1495, 10999), (1955, 8411), (3235, 5083)]