28911805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 10714691

約数列:

[1, 5, 13, 23, 65, 83, 115, 233, 299, 415, 1079, 1165, 1495, 1909, 3029, 5359, 5395, 9545, 15145, 19339, 24817, 26795, 69667, 96695, 124085, 251407, 348335, 444797, 1257035, 2223985, 5782361, 28911805]

約数ペア:

[(1, 28911805), (5, 5782361), (13, 2223985), (23, 1257035), (65, 444797), (83, 348335), (115, 251407), (233, 124085), (299, 96695), (415, 69667), (1079, 26795), (1165, 24817), (1495, 19339), (1909, 15145), (3029, 9545), (5359, 5395)]