289320395

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1193}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 440500032

約数和(自身を除く): 151179637

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 169, 205, 287, 455, 533, 845, 1183, 1193, 1435, 2665, 3731, 5915, 5965, 6929, 8351, 15509, 18655, 34645, 41755, 48503, 48913, 77545, 108563, 201617, 242515, 244565, 342391, 542815, 635869, 1008085, 1411319, 1711955, 3179345, 4451083, 7056595, 8266297, 22255415, 41331485, 57864079, 289320395]

約数ペア:

[(1, 289320395), (5, 57864079), (7, 41331485), (13, 22255415), (35, 8266297), (41, 7056595), (65, 4451083), (91, 3179345), (169, 1711955), (205, 1411319), (287, 1008085), (455, 635869), (533, 542815), (845, 342391), (1183, 244565), (1193, 242515), (1435, 201617), (2665, 108563), (3731, 77545), (5915, 48913), (5965, 48503), (6929, 41755), (8351, 34645), (15509, 18655)]