201589505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 270362400

約数和(自身を除く): 68772895

約数列:

[1, 5, 13, 37, 65, 109, 185, 481, 545, 769, 1417, 2405, 3845, 4033, 7085, 9997, 20165, 28453, 49985, 52429, 83821, 142265, 262145, 369889, 419105, 1089673, 1849445, 3101377, 5448365, 15506885, 40317901, 201589505]

約数ペア:

[(1, 201589505), (5, 40317901), (13, 15506885), (37, 5448365), (65, 3101377), (109, 1849445), (185, 1089673), (481, 419105), (545, 369889), (769, 262145), (1417, 142265), (2405, 83821), (3845, 52429), (4033, 49985), (7085, 28453), (9997, 20165)]