328679974

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{15641}}^1$

素因数の和:15748

約数の個数: 32

約数和(自身を含む): 600652800

約数和(自身を除く): 271972826

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 553, 1106, 1501, 3002, 10507, 15641, 21014, 31282, 109487, 218974, 297179, 594358, 1235639, 2080253, 2471278, 4160506, 8649473, 17298946, 23477141, 46954282, 164339987, 328679974]

約数ペア:

[(1, 328679974), (2, 164339987), (7, 46954282), (14, 23477141), (19, 17298946), (38, 8649473), (79, 4160506), (133, 2471278), (158, 2080253), (266, 1235639), (553, 594358), (1106, 297179), (1501, 218974), (3002, 109487), (10507, 31282), (15641, 21014)]