261252908

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{12941}}^1$

素因数の和:13062

約数の個数: 36

約数和(自身を含む): 537041232

約数和(自身を除く): 275788324

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 1442, 2884, 5047, 10094, 12941, 20188, 25882, 51764, 90587, 181174, 362348, 634109, 1268218, 1332923, 2536436, 2665846, 5331692, 9330461, 18660922, 37321844, 65313227, 130626454, 261252908]

約数ペア:

[(1, 261252908), (2, 130626454), (4, 65313227), (7, 37321844), (14, 18660922), (28, 9330461), (49, 5331692), (98, 2665846), (103, 2536436), (196, 1332923), (206, 1268218), (412, 634109), (721, 362348), (1442, 181174), (2884, 90587), (5047, 51764), (10094, 25882), (12941, 20188)]