281666308

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{130643}}^1$

素因数の和:130672

約数の個数: 36

約数和(自身を含む): 625523472

約数和(自身を除く): 343857164

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 130643, 261286, 522572, 914501, 1437073, 1829002, 2874146, 3658004, 5748292, 6401507, 10059511, 12803014, 20119022, 25606028, 40238044, 70416577, 140833154, 281666308]

約数ペア:

[(1, 281666308), (2, 140833154), (4, 70416577), (7, 40238044), (11, 25606028), (14, 20119022), (22, 12803014), (28, 10059511), (44, 6401507), (49, 5748292), (77, 3658004), (98, 2874146), (154, 1829002), (196, 1437073), (308, 914501), (539, 522572), (1078, 261286), (2156, 130643)]