257299812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{92821}}^1$

素因数の和:92849

約数の個数: 72

約数和(自身を含む): 810892992

約数和(自身を除く): 553593180

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 92821, 185642, 278463, 371284, 556926, 649747, 835389, 1021031, 1113852, 1299494, 1670778, 1949241, 2042062, 2598988, 3063093, 3341556, 3898482, 4084124, 5847723, 6126186, 7147217, 7796964, 9189279, 11695446, 12252372, 14294434, 18378558, 21441651, 23390892, 28588868, 36757116, 42883302, 64324953, 85766604, 128649906, 257299812]

約数ペア:

[(1, 257299812), (2, 128649906), (3, 85766604), (4, 64324953), (6, 42883302), (7, 36757116), (9, 28588868), (11, 23390892), (12, 21441651), (14, 18378558), (18, 14294434), (21, 12252372), (22, 11695446), (28, 9189279), (33, 7796964), (36, 7147217), (42, 6126186), (44, 5847723), (63, 4084124), (66, 3898482), (77, 3341556), (84, 3063093), (99, 2598988), (126, 2042062), (132, 1949241), (154, 1670778), (198, 1299494), (231, 1113852), (252, 1021031), (308, 835389), (396, 649747), (462, 556926), (693, 371284), (924, 278463), (1386, 185642), (2772, 92821)]