255071986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{647}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 421303680

約数和(自身を除く): 166231694

約数列:

[1, 2, 13, 26, 59, 118, 257, 514, 647, 767, 1294, 1534, 3341, 6682, 8411, 15163, 16822, 30326, 38173, 76346, 166279, 197119, 332558, 394238, 496249, 992498, 2161627, 4323254, 9810461, 19620922, 127535993, 255071986]

約数ペア:

[(1, 255071986), (2, 127535993), (13, 19620922), (26, 9810461), (59, 4323254), (118, 2161627), (257, 992498), (514, 496249), (647, 394238), (767, 332558), (1294, 197119), (1534, 166279), (3341, 76346), (6682, 38173), (8411, 30326), (15163, 16822)]