81355788

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 214578000

約数和(自身を除く): 133222212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 149, 174, 261, 298, 348, 447, 522, 523, 596, 894, 1044, 1046, 1341, 1569, 1788, 2092, 2682, 3138, 4321, 4707, 5364, 6276, 8642, 9414, 12963, 15167, 17284, 18828, 25926, 30334, 38889, 45501, 51852, 60668, 77778, 77927, 91002, 136503, 155556, 155854, 182004, 233781, 273006, 311708, 467562, 546012, 701343, 935124, 1402686, 2259883, 2805372, 4519766, 6779649, 9039532, 13559298, 20338947, 27118596, 40677894, 81355788]

約数ペア:

[(1, 81355788), (2, 40677894), (3, 27118596), (4, 20338947), (6, 13559298), (9, 9039532), (12, 6779649), (18, 4519766), (29, 2805372), (36, 2259883), (58, 1402686), (87, 935124), (116, 701343), (149, 546012), (174, 467562), (261, 311708), (298, 273006), (348, 233781), (447, 182004), (522, 155854), (523, 155556), (596, 136503), (894, 91002), (1044, 77927), (1046, 77778), (1341, 60668), (1569, 51852), (1788, 45501), (2092, 38889), (2682, 30334), (3138, 25926), (4321, 18828), (4707, 17284), (5364, 15167), (6276, 12963), (8642, 9414)]