128331434

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 257126400

約数和(自身を除く): 128794966

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 61, 77, 122, 133, 154, 209, 266, 418, 427, 671, 719, 854, 1159, 1342, 1438, 1463, 2318, 2926, 4697, 5033, 7909, 8113, 9394, 10066, 12749, 13661, 15818, 16226, 25498, 27322, 43859, 55363, 87718, 89243, 95627, 110726, 150271, 178486, 191254, 300542, 307013, 482449, 614026, 833321, 964898, 1051897, 1666642, 2103794, 3377143, 5833247, 6754286, 9166531, 11666494, 18333062, 64165717, 128331434]

約数ペア:

[(1, 128331434), (2, 64165717), (7, 18333062), (11, 11666494), (14, 9166531), (19, 6754286), (22, 5833247), (38, 3377143), (61, 2103794), (77, 1666642), (122, 1051897), (133, 964898), (154, 833321), (209, 614026), (266, 482449), (418, 307013), (427, 300542), (671, 191254), (719, 178486), (854, 150271), (1159, 110726), (1342, 95627), (1438, 89243), (1463, 87718), (2318, 55363), (2926, 43859), (4697, 27322), (5033, 25498), (7909, 16226), (8113, 15818), (9394, 13661), (10066, 12749)]