30981782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 52835328

約数和(自身を除く): 21853546

約数列:

[1, 2, 13, 23, 26, 46, 103, 206, 299, 503, 598, 1006, 1339, 2369, 2678, 4738, 6539, 11569, 13078, 23138, 30797, 51809, 61594, 103618, 150397, 300794, 673517, 1191607, 1347034, 2383214, 15490891, 30981782]

約数ペア:

[(1, 30981782), (2, 15490891), (13, 2383214), (23, 1347034), (26, 1191607), (46, 673517), (103, 300794), (206, 150397), (299, 103618), (503, 61594), (598, 51809), (1006, 30797), (1339, 23138), (2369, 13078), (2678, 11569), (4738, 6539)]