81395316

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{937}}^1$

素因数の和:1093

約数の個数: 72

約数和(自身を含む): 218516480

約数和(自身を除く): 137121164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 127, 171, 228, 254, 342, 381, 508, 684, 762, 937, 1143, 1524, 1874, 2286, 2413, 2811, 3748, 4572, 4826, 5622, 7239, 8433, 9652, 11244, 14478, 16866, 17803, 21717, 28956, 33732, 35606, 43434, 53409, 71212, 86868, 106818, 118999, 160227, 213636, 237998, 320454, 356997, 475996, 640908, 713994, 1070991, 1427988, 2141982, 2260981, 4283964, 4521962, 6782943, 9043924, 13565886, 20348829, 27131772, 40697658, 81395316]

約数ペア:

[(1, 81395316), (2, 40697658), (3, 27131772), (4, 20348829), (6, 13565886), (9, 9043924), (12, 6782943), (18, 4521962), (19, 4283964), (36, 2260981), (38, 2141982), (57, 1427988), (76, 1070991), (114, 713994), (127, 640908), (171, 475996), (228, 356997), (254, 320454), (342, 237998), (381, 213636), (508, 160227), (684, 118999), (762, 106818), (937, 86868), (1143, 71212), (1524, 53409), (1874, 43434), (2286, 35606), (2413, 33732), (2811, 28956), (3748, 21717), (4572, 17803), (4826, 16866), (5622, 14478), (7239, 11244), (8433, 9652)]