28385461

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 6209099

約数列:

[1, 13, 17, 29, 43, 103, 221, 377, 493, 559, 731, 1247, 1339, 1751, 2987, 4429, 6409, 9503, 16211, 21199, 22763, 38831, 50779, 57577, 75293, 128441, 275587, 660127, 978809, 1669733, 2183497, 28385461]

約数ペア:

[(1, 28385461), (13, 2183497), (17, 1669733), (29, 978809), (43, 660127), (103, 275587), (221, 128441), (377, 75293), (493, 57577), (559, 50779), (731, 38831), (1247, 22763), (1339, 21199), (1751, 16211), (2987, 9503), (4429, 6409)]