1640771658

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{7559}}^1$

素因数の和:7987

約数の個数: 48

約数和(自身を含む): 3679603200

約数和(自身を除く): 2038831542

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 389, 558, 778, 1167, 2334, 3501, 7002, 7559, 12059, 15118, 22677, 24118, 36177, 45354, 68031, 72354, 108531, 136062, 217062, 234329, 468658, 702987, 1405974, 2108961, 2940451, 4217922, 5880902, 8821353, 17642706, 26464059, 52928118, 91153981, 182307962, 273461943, 546923886, 820385829, 1640771658]

約数ペア:

[(1, 1640771658), (2, 820385829), (3, 546923886), (6, 273461943), (9, 182307962), (18, 91153981), (31, 52928118), (62, 26464059), (93, 17642706), (186, 8821353), (279, 5880902), (389, 4217922), (558, 2940451), (778, 2108961), (1167, 1405974), (2334, 702987), (3501, 468658), (7002, 234329), (7559, 217062), (12059, 136062), (15118, 108531), (22677, 72354), (24118, 68031), (36177, 45354)]