16559972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 36523872

約数和(自身を除く): 19963900

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 131, 143, 169, 187, 221, 262, 286, 338, 374, 442, 524, 572, 676, 748, 884, 1441, 1703, 1859, 2227, 2431, 2873, 2882, 3406, 3718, 4454, 4862, 5746, 5764, 6812, 7436, 8908, 9724, 11492, 18733, 22139, 24497, 28951, 31603, 37466, 44278, 48994, 57902, 63206, 74932, 88556, 97988, 115804, 126412, 243529, 318461, 376363, 487058, 636922, 752726, 974116, 1273844, 1505452, 4139993, 8279986, 16559972]

約数ペア:

[(1, 16559972), (2, 8279986), (4, 4139993), (11, 1505452), (13, 1273844), (17, 974116), (22, 752726), (26, 636922), (34, 487058), (44, 376363), (52, 318461), (68, 243529), (131, 126412), (143, 115804), (169, 97988), (187, 88556), (221, 74932), (262, 63206), (286, 57902), (338, 48994), (374, 44278), (442, 37466), (524, 31603), (572, 28951), (676, 24497), (748, 22139), (884, 18733), (1441, 11492), (1703, 9724), (1859, 8908), (2227, 7436), (2431, 6812), (2873, 5764), (2882, 5746), (3406, 4862), (3718, 4454)]