3990881.00000000

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 59305680

約数和(自身を除く): 31572208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 163, 208, 326, 409, 416, 652, 818, 1304, 1636, 2119, 2608, 3272, 4238, 5216, 5317, 6544, 8476, 10634, 13088, 16952, 21268, 33904, 42536, 66667, 67808, 85072, 133334, 170144, 266668, 533336, 866671, 1066672, 1733342, 2133344, 3466684, 6933368, 13866736, 27733472]

約数ペア:

[(1, 27733472), (2, 13866736), (4, 6933368), (8, 3466684), (13, 2133344), (16, 1733342), (26, 1066672), (32, 866671), (52, 533336), (104, 266668), (163, 170144), (208, 133334), (326, 85072), (409, 67808), (416, 66667), (652, 42536), (818, 33904), (1304, 21268), (1636, 16952), (2119, 13088), (2608, 10634), (3272, 8476), (4238, 6544), (5216, 5317)]