221015559490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{25433321}}^1$

素因数の和:25433418

約数の個数: 32

約数和(自身を含む): 439487804160

約数和(自身を除く): 218472244670

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345, 8690, 25433321, 50866642, 127166605, 254333210, 279766531, 559533062, 1398832655, 2009232359, 2797665310, 4018464718, 10046161795, 20092323590, 22101555949, 44203111898, 110507779745, 221015559490]

約数ペア:

[(1, 221015559490), (2, 110507779745), (5, 44203111898), (10, 22101555949), (11, 20092323590), (22, 10046161795), (55, 4018464718), (79, 2797665310), (110, 2009232359), (158, 1398832655), (395, 559533062), (790, 279766531), (869, 254333210), (1738, 127166605), (4345, 50866642), (8690, 25433321)]