12940746

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 32272128

約数和(自身を除く): 19331382

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 137, 173, 182, 273, 274, 346, 411, 519, 546, 822, 959, 1038, 1211, 1781, 1918, 2249, 2422, 2877, 3562, 3633, 4498, 5343, 5754, 6747, 7266, 10686, 12467, 13494, 15743, 23701, 24934, 31486, 37401, 47229, 47402, 71103, 74802, 94458, 142206, 165907, 308113, 331814, 497721, 616226, 924339, 995442, 1848678, 2156791, 4313582, 6470373, 12940746]

約数ペア:

[(1, 12940746), (2, 6470373), (3, 4313582), (6, 2156791), (7, 1848678), (13, 995442), (14, 924339), (21, 616226), (26, 497721), (39, 331814), (42, 308113), (78, 165907), (91, 142206), (137, 94458), (173, 74802), (182, 71103), (273, 47402), (274, 47229), (346, 37401), (411, 31486), (519, 24934), (546, 23701), (822, 15743), (959, 13494), (1038, 12467), (1211, 10686), (1781, 7266), (1918, 6747), (2249, 5754), (2422, 5343), (2877, 4498), (3562, 3633)]