81534138

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 200439360

約数和(自身を除く): 118905222

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 73, 87, 98, 131, 146, 147, 174, 203, 219, 262, 294, 393, 406, 438, 511, 609, 786, 917, 1022, 1218, 1421, 1533, 1834, 2117, 2751, 2842, 3066, 3577, 3799, 4234, 4263, 5502, 6351, 6419, 7154, 7598, 8526, 9563, 10731, 11397, 12702, 12838, 14819, 19126, 19257, 21462, 22794, 26593, 28689, 29638, 38514, 44457, 53186, 57378, 66941, 79779, 88914, 103733, 133882, 159558, 186151, 200823, 207466, 277327, 311199, 372302, 401646, 468587, 554654, 558453, 622398, 831981, 937174, 1116906, 1405761, 1663962, 1941289, 2811522, 3882578, 5823867, 11647734, 13589023, 27178046, 40767069, 81534138]

約数ペア:

[(1, 81534138), (2, 40767069), (3, 27178046), (6, 13589023), (7, 11647734), (14, 5823867), (21, 3882578), (29, 2811522), (42, 1941289), (49, 1663962), (58, 1405761), (73, 1116906), (87, 937174), (98, 831981), (131, 622398), (146, 558453), (147, 554654), (174, 468587), (203, 401646), (219, 372302), (262, 311199), (294, 277327), (393, 207466), (406, 200823), (438, 186151), (511, 159558), (609, 133882), (786, 103733), (917, 88914), (1022, 79779), (1218, 66941), (1421, 57378), (1533, 53186), (1834, 44457), (2117, 38514), (2751, 29638), (2842, 28689), (3066, 26593), (3577, 22794), (3799, 21462), (4234, 19257), (4263, 19126), (5502, 14819), (6351, 12838), (6419, 12702), (7154, 11397), (7598, 10731), (8526, 9563)]