31393505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 46823616

約数和(自身を除く): 15430111

約数列:

[1, 5, 11, 13, 23, 55, 65, 83, 115, 143, 253, 299, 415, 529, 715, 913, 1079, 1265, 1495, 1909, 2645, 3289, 4565, 5395, 5819, 6877, 9545, 11869, 16445, 20999, 24817, 29095, 34385, 43907, 59345, 75647, 104995, 124085, 219535, 272987, 378235, 482977, 570791, 1364935, 2414885, 2853955, 6278701, 31393505]

約数ペア:

[(1, 31393505), (5, 6278701), (11, 2853955), (13, 2414885), (23, 1364935), (55, 570791), (65, 482977), (83, 378235), (115, 272987), (143, 219535), (253, 124085), (299, 104995), (415, 75647), (529, 59345), (715, 43907), (913, 34385), (1079, 29095), (1265, 24817), (1495, 20999), (1909, 16445), (2645, 11869), (3289, 9545), (4565, 6877), (5395, 5819)]