22207978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 37340352

約数和(自身を除く): 15132374

約数列:

[1, 2, 13, 26, 41, 82, 83, 166, 251, 502, 533, 1066, 1079, 2158, 3263, 3403, 6526, 6806, 10291, 20582, 20833, 41666, 44239, 88478, 133783, 267566, 270829, 541658, 854153, 1708306, 11103989, 22207978]

約数ペア:

[(1, 22207978), (2, 11103989), (13, 1708306), (26, 854153), (41, 541658), (82, 270829), (83, 267566), (166, 133783), (251, 88478), (502, 44239), (533, 41666), (1066, 20833), (1079, 20582), (2158, 10291), (3263, 6806), (3403, 6526)]