208486525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1777}}^1$

素因数の和:1838

約数の個数: 36

約数和(自身を含む): 293999412

約数和(自身を除く): 85512887

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 361, 475, 1235, 1777, 1805, 4693, 6175, 8885, 9025, 23101, 23465, 33763, 44425, 115505, 117325, 168815, 438919, 577525, 641497, 844075, 2194595, 3207485, 8339461, 10972975, 16037425, 41697305, 208486525]

約数ペア:

[(1, 208486525), (5, 41697305), (13, 16037425), (19, 10972975), (25, 8339461), (65, 3207485), (95, 2194595), (247, 844075), (325, 641497), (361, 577525), (475, 438919), (1235, 168815), (1777, 117325), (1805, 115505), (4693, 44425), (6175, 33763), (8885, 23465), (9025, 23101)]