847905025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1259}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 1199923200

約数和(自身を除く): 352018175

約数列:

[1, 5, 11, 25, 31, 55, 79, 155, 275, 341, 395, 775, 869, 1259, 1705, 1975, 2449, 4345, 6295, 8525, 12245, 13849, 21725, 26939, 31475, 39029, 61225, 69245, 99461, 134695, 195145, 346225, 429319, 497305, 673475, 975725, 1094071, 2146595, 2486525, 3083291, 5470355, 10732975, 15416455, 27351775, 33916201, 77082275, 169581005, 847905025]

約数ペア:

[(1, 847905025), (5, 169581005), (11, 77082275), (25, 33916201), (31, 27351775), (55, 15416455), (79, 10732975), (155, 5470355), (275, 3083291), (341, 2486525), (395, 2146595), (775, 1094071), (869, 975725), (1259, 673475), (1705, 497305), (1975, 429319), (2449, 346225), (4345, 195145), (6295, 134695), (8525, 99461), (12245, 69245), (13849, 61225), (21725, 39029), (26939, 31475)]