31251638

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1564

約数の個数: 24

約数和(自身を含む): 52141320

約数和(自身を除く): 20889682

約数列:

[1, 2, 11, 22, 89, 121, 178, 242, 979, 1451, 1958, 2902, 10769, 15961, 21538, 31922, 129139, 175571, 258278, 351142, 1420529, 2841058, 15625819, 31251638]

約数ペア:

[(1, 31251638), (2, 15625819), (11, 2841058), (22, 1420529), (89, 351142), (121, 258278), (178, 175571), (242, 129139), (979, 31922), (1451, 21538), (1958, 15961), (2902, 10769)]