161719844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16631}}^1$

素因数の和:16676

約数の個数: 48

約数和(自身を含む): 352066176

約数和(自身を除く): 190346332

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 16631, 33262, 66524, 182941, 216203, 282727, 365882, 432406, 565454, 731764, 864812, 1130908, 2378233, 3109997, 3675451, 4756466, 6219994, 7350902, 9512932, 12439988, 14701804, 40429961, 80859922, 161719844]

約数ペア:

[(1, 161719844), (2, 80859922), (4, 40429961), (11, 14701804), (13, 12439988), (17, 9512932), (22, 7350902), (26, 6219994), (34, 4756466), (44, 3675451), (52, 3109997), (68, 2378233), (143, 1130908), (187, 864812), (221, 731764), (286, 565454), (374, 432406), (442, 365882), (572, 282727), (748, 216203), (884, 182941), (2431, 66524), (4862, 33262), (9724, 16631)]