27778786

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 51152256

約数和(自身を除く): 23373470

約数列:

[1, 2, 7, 14, 37, 47, 49, 74, 94, 98, 163, 259, 326, 329, 518, 658, 1141, 1739, 1813, 2282, 2303, 3478, 3626, 4606, 6031, 7661, 7987, 12062, 12173, 15322, 15974, 24346, 42217, 53627, 84434, 85211, 107254, 170422, 283457, 295519, 375389, 566914, 591038, 750778, 1984199, 3968398, 13889393, 27778786]

約数ペア:

[(1, 27778786), (2, 13889393), (7, 3968398), (14, 1984199), (37, 750778), (47, 591038), (49, 566914), (74, 375389), (94, 295519), (98, 283457), (163, 170422), (259, 107254), (326, 85211), (329, 84434), (518, 53627), (658, 42217), (1141, 24346), (1739, 15974), (1813, 15322), (2282, 12173), (2303, 12062), (3478, 7987), (3626, 7661), (4606, 6031)]