201538645

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3821}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 303803136

約数和(自身を除く): 102264491

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 385, 685, 959, 1507, 3821, 4795, 7535, 10549, 19105, 26747, 42031, 52745, 133735, 210155, 294217, 523477, 1471085, 2617385, 3664339, 5758247, 18321695, 28791235, 40307729, 201538645]

約数ペア:

[(1, 201538645), (5, 40307729), (7, 28791235), (11, 18321695), (35, 5758247), (55, 3664339), (77, 2617385), (137, 1471085), (385, 523477), (685, 294217), (959, 210155), (1507, 133735), (3821, 52745), (4795, 42031), (7535, 26747), (10549, 19105)]