1989323

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 2450880

約数和(自身を除く): 461557

約数列:

[1, 7, 17, 73, 119, 229, 511, 1241, 1603, 3893, 8687, 16717, 27251, 117019, 284189, 1989323]

約数ペア:

[(1, 1989323), (7, 284189), (17, 117019), (73, 27251), (119, 16717), (229, 8687), (511, 3893), (1241, 1603)]