81262312

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 170916480

約数和(自身を除く): 89654168

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 83, 92, 136, 166, 184, 313, 332, 391, 626, 664, 782, 1252, 1411, 1564, 1909, 2504, 2822, 3128, 3818, 5321, 5644, 7199, 7636, 10642, 11288, 14398, 15272, 21284, 25979, 28796, 32453, 42568, 51958, 57592, 64906, 103916, 122383, 129812, 207832, 244766, 259624, 441643, 489532, 597517, 883286, 979064, 1195034, 1766572, 2390068, 3533144, 4780136, 10157789, 20315578, 40631156, 81262312]

約数ペア:

[(1, 81262312), (2, 40631156), (4, 20315578), (8, 10157789), (17, 4780136), (23, 3533144), (34, 2390068), (46, 1766572), (68, 1195034), (83, 979064), (92, 883286), (136, 597517), (166, 489532), (184, 441643), (313, 259624), (332, 244766), (391, 207832), (626, 129812), (664, 122383), (782, 103916), (1252, 64906), (1411, 57592), (1564, 51958), (1909, 42568), (2504, 32453), (2822, 28796), (3128, 25979), (3818, 21284), (5321, 15272), (5644, 14398), (7199, 11288), (7636, 10642)]