81456914

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 168920640

約数和(自身を除く): 87463726

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 41, 49, 77, 82, 97, 98, 133, 154, 194, 209, 266, 287, 418, 451, 539, 574, 679, 779, 902, 931, 1067, 1078, 1358, 1463, 1558, 1843, 1862, 2009, 2134, 2926, 3157, 3686, 3977, 4018, 4753, 5453, 6314, 7469, 7954, 8569, 9506, 10241, 10906, 12901, 14938, 17138, 20273, 20482, 22099, 25802, 27839, 38171, 40546, 43747, 44198, 52283, 55678, 59983, 75563, 76342, 87494, 90307, 104566, 119966, 141911, 151126, 180614, 194873, 283822, 306229, 389746, 419881, 528941, 612458, 831193, 839762, 993377, 1057882, 1662386, 1986754, 2143603, 3702587, 4287206, 5818351, 7405174, 11636702, 40728457, 81456914]

約数ペア:

[(1, 81456914), (2, 40728457), (7, 11636702), (11, 7405174), (14, 5818351), (19, 4287206), (22, 3702587), (38, 2143603), (41, 1986754), (49, 1662386), (77, 1057882), (82, 993377), (97, 839762), (98, 831193), (133, 612458), (154, 528941), (194, 419881), (209, 389746), (266, 306229), (287, 283822), (418, 194873), (451, 180614), (539, 151126), (574, 141911), (679, 119966), (779, 104566), (902, 90307), (931, 87494), (1067, 76342), (1078, 75563), (1358, 59983), (1463, 55678), (1558, 52283), (1843, 44198), (1862, 43747), (2009, 40546), (2134, 38171), (2926, 27839), (3157, 25802), (3686, 22099), (3977, 20482), (4018, 20273), (4753, 17138), (5453, 14938), (6314, 12901), (7469, 10906), (7954, 10241), (8569, 9506)]