205965149

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 249500160

約数和(自身を除く): 43535011

約数列:

[1, 13, 17, 19, 181, 221, 247, 271, 323, 2353, 3077, 3439, 3523, 4199, 4607, 5149, 40001, 44707, 49051, 58463, 59891, 66937, 87533, 637663, 760019, 833867, 931969, 1137929, 10840271, 12115597, 15843473, 205965149]

約数ペア:

[(1, 205965149), (13, 15843473), (17, 12115597), (19, 10840271), (181, 1137929), (221, 931969), (247, 833867), (271, 760019), (323, 637663), (2353, 87533), (3077, 66937), (3439, 59891), (3523, 58463), (4199, 49051), (4607, 44707), (5149, 40001)]