39561978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 86676480

約数和(自身を除く): 47114502

約数列:

[1, 2, 3, 6, 23, 43, 46, 59, 69, 86, 113, 118, 129, 138, 177, 226, 258, 339, 354, 678, 989, 1357, 1978, 2537, 2599, 2714, 2967, 4071, 4859, 5074, 5198, 5934, 6667, 7611, 7797, 8142, 9718, 13334, 14577, 15222, 15594, 20001, 29154, 40002, 58351, 111757, 116702, 153341, 175053, 223514, 286681, 306682, 335271, 350106, 460023, 573362, 670542, 860043, 920046, 1720086, 6593663, 13187326, 19780989, 39561978]

約数ペア:

[(1, 39561978), (2, 19780989), (3, 13187326), (6, 6593663), (23, 1720086), (43, 920046), (46, 860043), (59, 670542), (69, 573362), (86, 460023), (113, 350106), (118, 335271), (129, 306682), (138, 286681), (177, 223514), (226, 175053), (258, 153341), (339, 116702), (354, 111757), (678, 58351), (989, 40002), (1357, 29154), (1978, 20001), (2537, 15594), (2599, 15222), (2714, 14577), (2967, 13334), (4071, 9718), (4859, 8142), (5074, 7797), (5198, 7611), (5934, 6667)]