989004002

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2287}}^1$

素因数の和:2415

約数の個数: 64

約数和(自身を含む): 1897758720

約数和(自身を除く): 908754718

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 79, 119, 158, 161, 238, 322, 391, 553, 782, 1106, 1343, 1817, 2287, 2686, 2737, 3634, 4574, 5474, 9401, 12719, 16009, 18802, 25438, 30889, 32018, 38879, 52601, 61778, 77758, 105202, 180673, 216223, 272153, 361346, 368207, 432446, 544306, 736414, 894217, 1264711, 1788434, 2529422, 3071441, 4155479, 6142882, 6259519, 8310958, 12519038, 21500087, 29088353, 43000174, 58176706, 70643143, 141286286, 494502001, 989004002]

約数ペア:

[(1, 989004002), (2, 494502001), (7, 141286286), (14, 70643143), (17, 58176706), (23, 43000174), (34, 29088353), (46, 21500087), (79, 12519038), (119, 8310958), (158, 6259519), (161, 6142882), (238, 4155479), (322, 3071441), (391, 2529422), (553, 1788434), (782, 1264711), (1106, 894217), (1343, 736414), (1817, 544306), (2287, 432446), (2686, 368207), (2737, 361346), (3634, 272153), (4574, 216223), (5474, 180673), (9401, 105202), (12719, 77758), (16009, 61778), (18802, 52601), (25438, 38879), (30889, 32018)]