81107658

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 179304840

約数和(自身を除く): 98197182

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 197, 257, 267, 394, 514, 534, 591, 771, 801, 1182, 1542, 1602, 1773, 2313, 3546, 4626, 17533, 22873, 35066, 45746, 50629, 52599, 68619, 101258, 105198, 137238, 151887, 157797, 205857, 303774, 315594, 411714, 455661, 911322, 4505981, 9011962, 13517943, 27035886, 40553829, 81107658]

約数ペア:

[(1, 81107658), (2, 40553829), (3, 27035886), (6, 13517943), (9, 9011962), (18, 4505981), (89, 911322), (178, 455661), (197, 411714), (257, 315594), (267, 303774), (394, 205857), (514, 157797), (534, 151887), (591, 137238), (771, 105198), (801, 101258), (1182, 68619), (1542, 52599), (1602, 50629), (1773, 45746), (2313, 35066), (3546, 22873), (4626, 17533)]