257630736

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1193}}^1$

素因数の和:1624

約数の個数: 80

約数和(自身を含む): 728435520

約数和(自身を除く): 470804784

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 409, 528, 818, 1193, 1227, 1636, 2386, 2454, 3272, 3579, 4499, 4772, 4908, 6544, 7158, 8998, 9544, 9816, 13123, 13497, 14316, 17996, 19088, 19632, 26246, 26994, 28632, 35992, 39369, 52492, 53988, 57264, 71984, 78738, 104984, 107976, 157476, 209968, 215952, 314952, 487937, 629904, 975874, 1463811, 1951748, 2927622, 3903496, 5367307, 5855244, 7806992, 10734614, 11710488, 16101921, 21469228, 23420976, 32203842, 42938456, 64407684, 85876912, 128815368, 257630736]

約数ペア:

[(1, 257630736), (2, 128815368), (3, 85876912), (4, 64407684), (6, 42938456), (8, 32203842), (11, 23420976), (12, 21469228), (16, 16101921), (22, 11710488), (24, 10734614), (33, 7806992), (44, 5855244), (48, 5367307), (66, 3903496), (88, 2927622), (132, 1951748), (176, 1463811), (264, 975874), (409, 629904), (528, 487937), (818, 314952), (1193, 215952), (1227, 209968), (1636, 157476), (2386, 107976), (2454, 104984), (3272, 78738), (3579, 71984), (4499, 57264), (4772, 53988), (4908, 52492), (6544, 39369), (7158, 35992), (8998, 28632), (9544, 26994), (9816, 26246), (13123, 19632), (13497, 19088), (14316, 17996)]