2989186585

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2909}}^1$

素因数の和:3106

約数の個数: 64

約数和(自身を含む): 4766999040

約数和(自身を除く): 1777812455

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 157, 187, 385, 595, 785, 935, 1099, 1309, 1727, 2669, 2909, 5495, 6545, 8635, 12089, 13345, 14545, 18683, 20363, 29359, 31999, 49453, 60445, 93415, 101815, 146795, 159995, 205513, 223993, 247265, 346171, 456713, 543983, 1027565, 1119965, 1730855, 2283565, 2719915, 3196991, 3807881, 5023843, 7764121, 15984955, 19039405, 25119215, 35166901, 38820605, 54348847, 85405331, 175834505, 271744235, 427026655, 597837317, 2989186585]

約数ペア:

[(1, 2989186585), (5, 597837317), (7, 427026655), (11, 271744235), (17, 175834505), (35, 85405331), (55, 54348847), (77, 38820605), (85, 35166901), (119, 25119215), (157, 19039405), (187, 15984955), (385, 7764121), (595, 5023843), (785, 3807881), (935, 3196991), (1099, 2719915), (1309, 2283565), (1727, 1730855), (2669, 1119965), (2909, 1027565), (5495, 543983), (6545, 456713), (8635, 346171), (12089, 247265), (13345, 223993), (14545, 205513), (18683, 159995), (20363, 146795), (29359, 101815), (31999, 93415), (49453, 60445)]