193574199

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 332881920

約数和(自身を除く): 139307721

約数列:

[1, 3, 7, 13, 21, 31, 39, 89, 91, 93, 217, 257, 267, 273, 403, 623, 651, 771, 1157, 1209, 1799, 1869, 2759, 2821, 3341, 3471, 5397, 7967, 8099, 8277, 8463, 10023, 19313, 22873, 23387, 23901, 24297, 35867, 55769, 57939, 68619, 70161, 103571, 107601, 160111, 167307, 251069, 297349, 310713, 480333, 709063, 724997, 753207, 892047, 2081443, 2127189, 2174991, 4963441, 6244329, 9217819, 14890323, 27653457, 64524733, 193574199]

約数ペア:

[(1, 193574199), (3, 64524733), (7, 27653457), (13, 14890323), (21, 9217819), (31, 6244329), (39, 4963441), (89, 2174991), (91, 2127189), (93, 2081443), (217, 892047), (257, 753207), (267, 724997), (273, 709063), (403, 480333), (623, 310713), (651, 297349), (771, 251069), (1157, 167307), (1209, 160111), (1799, 107601), (1869, 103571), (2759, 70161), (2821, 68619), (3341, 57939), (3471, 55769), (5397, 35867), (7967, 24297), (8099, 23901), (8277, 23387), (8463, 22873), (10023, 19313)]