12743790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 32182272

約数和(自身を除く): 19438482

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 71, 93, 142, 155, 186, 193, 213, 310, 355, 386, 426, 465, 579, 710, 930, 965, 1065, 1158, 1930, 2130, 2201, 2895, 4402, 5790, 5983, 6603, 11005, 11966, 13206, 13703, 17949, 22010, 27406, 29915, 33015, 35898, 41109, 59830, 66030, 68515, 82218, 89745, 137030, 179490, 205545, 411090, 424793, 849586, 1274379, 2123965, 2548758, 4247930, 6371895, 12743790]

約数ペア:

[(1, 12743790), (2, 6371895), (3, 4247930), (5, 2548758), (6, 2123965), (10, 1274379), (15, 849586), (30, 424793), (31, 411090), (62, 205545), (71, 179490), (93, 137030), (142, 89745), (155, 82218), (186, 68515), (193, 66030), (213, 59830), (310, 41109), (355, 35898), (386, 33015), (426, 29915), (465, 27406), (579, 22010), (710, 17949), (930, 13703), (965, 13206), (1065, 11966), (1158, 11005), (1930, 6603), (2130, 5983), (2201, 5790), (2895, 4402)]