199409881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{2137}}^1$

素因数の和:2664

約数の個数: 16

約数和(自身を含む): 230904000

約数和(自身を除く): 31494119

約数列:

[1, 11, 17, 187, 499, 2137, 5489, 8483, 23507, 36329, 93313, 399619, 1066363, 11729993, 18128171, 199409881]

約数ペア:

[(1, 199409881), (11, 18128171), (17, 11729993), (187, 1066363), (499, 399619), (2137, 93313), (5489, 36329), (8483, 23507)]