31331612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 66333456

約数和(自身を除く): 35001844

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 67, 68, 92, 134, 221, 268, 299, 391, 442, 529, 598, 782, 871, 884, 1058, 1139, 1196, 1541, 1564, 1742, 2116, 2278, 3082, 3484, 4556, 5083, 6164, 6877, 8993, 10166, 13754, 14807, 17986, 20033, 20332, 26197, 27508, 29614, 35443, 35972, 40066, 52394, 59228, 70886, 80132, 104788, 116909, 141772, 233818, 340561, 460759, 467636, 602531, 681122, 921518, 1205062, 1362244, 1843036, 2410124, 7832903, 15665806, 31331612]

約数ペア:

[(1, 31331612), (2, 15665806), (4, 7832903), (13, 2410124), (17, 1843036), (23, 1362244), (26, 1205062), (34, 921518), (46, 681122), (52, 602531), (67, 467636), (68, 460759), (92, 340561), (134, 233818), (221, 141772), (268, 116909), (299, 104788), (391, 80132), (442, 70886), (529, 59228), (598, 52394), (782, 40066), (871, 35972), (884, 35443), (1058, 29614), (1139, 27508), (1196, 26197), (1541, 20332), (1564, 20033), (1742, 17986), (2116, 14807), (2278, 13754), (3082, 10166), (3484, 8993), (4556, 6877), (5083, 6164)]