12845690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 27353376

約数和(自身を除く): 14507686

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 691, 715, 845, 1382, 1430, 1690, 1859, 3455, 3718, 6910, 7601, 8983, 9295, 15202, 17966, 18590, 38005, 44915, 76010, 89830, 98813, 116779, 197626, 233558, 494065, 583895, 988130, 1167790, 1284569, 2569138, 6422845, 12845690]

約数ペア:

[(1, 12845690), (2, 6422845), (5, 2569138), (10, 1284569), (11, 1167790), (13, 988130), (22, 583895), (26, 494065), (55, 233558), (65, 197626), (110, 116779), (130, 98813), (143, 89830), (169, 76010), (286, 44915), (338, 38005), (691, 18590), (715, 17966), (845, 15202), (1382, 9295), (1430, 8983), (1690, 7601), (1859, 6910), (3455, 3718)]