645178974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1223}}^1\times {\mathrm{7993}}^1$

素因数の和:9232

約数の個数: 32

約数和(自身を含む): 1408990464

約数和(自身を除く): 763811490

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 1223, 2446, 3669, 7338, 7993, 13453, 15986, 23979, 26906, 40359, 47958, 80718, 87923, 175846, 263769, 527538, 9775439, 19550878, 29326317, 58652634, 107529829, 215059658, 322589487, 645178974]

約数ペア:

[(1, 645178974), (2, 322589487), (3, 215059658), (6, 107529829), (11, 58652634), (22, 29326317), (33, 19550878), (66, 9775439), (1223, 527538), (2446, 263769), (3669, 175846), (7338, 87923), (7993, 80718), (13453, 47958), (15986, 40359), (23979, 26906)]