79739990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{2617}}^1$

素因数の和:2912

約数の個数: 32

約数和(自身を含む): 157205664

約数和(自身を除く): 77465674

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 277, 554, 1385, 2617, 2770, 3047, 5234, 6094, 13085, 15235, 26170, 28787, 30470, 57574, 143935, 287870, 724909, 1449818, 3624545, 7249090, 7973999, 15947998, 39869995, 79739990]

約数ペア:

[(1, 79739990), (2, 39869995), (5, 15947998), (10, 7973999), (11, 7249090), (22, 3624545), (55, 1449818), (110, 724909), (277, 287870), (554, 143935), (1385, 57574), (2617, 30470), (2770, 28787), (3047, 26170), (5234, 15235), (6094, 13085)]