217751910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{52981}}^1$

素因数の和:53128

約数の個数: 32

約数和(自身を含む): 526429152

約数和(自身を除く): 308677242

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 52981, 105962, 158943, 264905, 317886, 529810, 794715, 1589430, 7258397, 14516794, 21775191, 36291985, 43550382, 72583970, 108875955, 217751910]

約数ペア:

[(1, 217751910), (2, 108875955), (3, 72583970), (5, 43550382), (6, 36291985), (10, 21775191), (15, 14516794), (30, 7258397), (137, 1589430), (274, 794715), (411, 529810), (685, 317886), (822, 264905), (1370, 158943), (2055, 105962), (4110, 52981)]