40243918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 71350272

約数和(自身を除く): 31106354

約数列:

[1, 2, 11, 13, 22, 26, 143, 223, 286, 446, 631, 1262, 2453, 2899, 4906, 5798, 6941, 8203, 13882, 16406, 31889, 63778, 90233, 140713, 180466, 281426, 1547843, 1829269, 3095686, 3658538, 20121959, 40243918]

約数ペア:

[(1, 40243918), (2, 20121959), (11, 3658538), (13, 3095686), (22, 1829269), (26, 1547843), (143, 281426), (223, 180466), (286, 140713), (446, 90233), (631, 63778), (1262, 31889), (2453, 16406), (2899, 13882), (4906, 8203), (5798, 6941)]