7980826

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 14971392

約数和(自身を除く): 6990566

約数列:

[1, 2, 7, 14, 31, 37, 49, 62, 71, 74, 98, 142, 217, 259, 434, 497, 518, 994, 1147, 1519, 1813, 2201, 2294, 2627, 3038, 3479, 3626, 4402, 5254, 6958, 8029, 15407, 16058, 18389, 30814, 36778, 56203, 81437, 107849, 112406, 128723, 162874, 215698, 257446, 570059, 1140118, 3990413, 7980826]

約数ペア:

[(1, 7980826), (2, 3990413), (7, 1140118), (14, 570059), (31, 257446), (37, 215698), (49, 162874), (62, 128723), (71, 112406), (74, 107849), (98, 81437), (142, 56203), (217, 36778), (259, 30814), (434, 18389), (497, 16058), (518, 15407), (994, 8029), (1147, 6958), (1519, 5254), (1813, 4402), (2201, 3626), (2294, 3479), (2627, 3038)]