291265390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1\times {\mathrm{2351}}^1$

素因数の和:3324

約数の個数: 32

約数和(自身を含む): 565439616

約数和(自身を除く): 274174226

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 953, 1906, 2351, 4702, 4765, 9530, 11755, 12389, 23510, 24778, 30563, 61126, 61945, 123890, 152815, 305630, 2240503, 4481006, 11202515, 22405030, 29126539, 58253078, 145632695, 291265390]

約数ペア:

[(1, 291265390), (2, 145632695), (5, 58253078), (10, 29126539), (13, 22405030), (26, 11202515), (65, 4481006), (130, 2240503), (953, 305630), (1906, 152815), (2351, 123890), (4702, 61945), (4765, 61126), (9530, 30563), (11755, 24778), (12389, 23510)]