78947385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 146313216

約数和(自身を除く): 67365831

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 71, 115, 165, 213, 253, 293, 345, 355, 759, 781, 879, 1065, 1265, 1465, 1633, 2343, 3223, 3795, 3905, 4395, 4899, 6739, 8165, 9669, 11715, 16115, 17963, 20217, 20803, 24495, 33695, 48345, 53889, 62409, 74129, 89815, 101085, 104015, 222387, 228833, 269445, 312045, 370645, 478469, 686499, 1111935, 1144165, 1435407, 2392345, 3432495, 5263159, 7177035, 15789477, 26315795, 78947385]

約数ペア:

[(1, 78947385), (3, 26315795), (5, 15789477), (11, 7177035), (15, 5263159), (23, 3432495), (33, 2392345), (55, 1435407), (69, 1144165), (71, 1111935), (115, 686499), (165, 478469), (213, 370645), (253, 312045), (293, 269445), (345, 228833), (355, 222387), (759, 104015), (781, 101085), (879, 89815), (1065, 74129), (1265, 62409), (1465, 53889), (1633, 48345), (2343, 33695), (3223, 24495), (3795, 20803), (3905, 20217), (4395, 17963), (4899, 16115), (6739, 11715), (8165, 9669)]