400246

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 787968

約数和(自身を除く): 387722

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 113, 154, 161, 226, 253, 322, 506, 791, 1243, 1582, 1771, 2486, 2599, 3542, 5198, 8701, 17402, 18193, 28589, 36386, 57178, 200123, 400246]

約数ペア:

[(1, 400246), (2, 200123), (7, 57178), (11, 36386), (14, 28589), (22, 18193), (23, 17402), (46, 8701), (77, 5198), (113, 3542), (154, 2599), (161, 2486), (226, 1771), (253, 1582), (322, 1243), (506, 791)]