913213870

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1\times {\mathrm{1381}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 1665696960

約数和(自身を除く): 752483090

約数列:

[1, 2, 5, 10, 89, 178, 445, 743, 890, 1381, 1486, 2762, 3715, 6905, 7430, 13810, 66127, 122909, 132254, 245818, 330635, 614545, 661270, 1026083, 1229090, 2052166, 5130415, 10260830, 91321387, 182642774, 456606935, 913213870]

約数ペア:

[(1, 913213870), (2, 456606935), (5, 182642774), (10, 91321387), (89, 10260830), (178, 5130415), (445, 2052166), (743, 1229090), (890, 1026083), (1381, 661270), (1486, 614545), (2762, 330635), (3715, 245818), (6905, 132254), (7430, 122909), (13810, 66127)]