1388431386

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{3391}}^1$

素因数の和:3488

約数の個数: 72

約数和(自身を含む): 3218831616

約数和(自身を除く): 1830400230

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 529, 774, 989, 1058, 1587, 1978, 2967, 3174, 3391, 4761, 5934, 6782, 8901, 9522, 10173, 17802, 20346, 22747, 30519, 45494, 61038, 68241, 77993, 136482, 145813, 155986, 204723, 233979, 291626, 409446, 437439, 467958, 701937, 874878, 1312317, 1403874, 1793839, 2624634, 3353699, 3587678, 5381517, 6707398, 10061097, 10763034, 16144551, 20122194, 30183291, 32289102, 60366582, 77135077, 154270154, 231405231, 462810462, 694215693, 1388431386]

約数ペア:

[(1, 1388431386), (2, 694215693), (3, 462810462), (6, 231405231), (9, 154270154), (18, 77135077), (23, 60366582), (43, 32289102), (46, 30183291), (69, 20122194), (86, 16144551), (129, 10763034), (138, 10061097), (207, 6707398), (258, 5381517), (387, 3587678), (414, 3353699), (529, 2624634), (774, 1793839), (989, 1403874), (1058, 1312317), (1587, 874878), (1978, 701937), (2967, 467958), (3174, 437439), (3391, 409446), (4761, 291626), (5934, 233979), (6782, 204723), (8901, 155986), (9522, 145813), (10173, 136482), (17802, 77993), (20346, 68241), (22747, 61038), (30519, 45494)]