205607545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2099}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 292118400

約数和(自身を除く): 86510855

約数列:

[1, 5, 11, 13, 55, 65, 137, 143, 685, 715, 1507, 1781, 2099, 7535, 8905, 10495, 19591, 23089, 27287, 97955, 115445, 136435, 287563, 300157, 1437815, 1500785, 3163193, 3738319, 15815965, 18691595, 41121509, 205607545]

約数ペア:

[(1, 205607545), (5, 41121509), (11, 18691595), (13, 15815965), (55, 3738319), (65, 3163193), (137, 1500785), (143, 1437815), (685, 300157), (715, 287563), (1507, 136435), (1781, 115445), (2099, 97955), (7535, 27287), (8905, 23089), (10495, 19591)]