127538495

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 191987712

約数和(自身を除く): 64449217

約数列:

[1, 5, 7, 31, 35, 41, 47, 61, 155, 205, 217, 235, 287, 305, 329, 427, 1085, 1271, 1435, 1457, 1645, 1891, 1927, 2135, 2501, 2867, 6355, 7285, 8897, 9455, 9635, 10199, 12505, 13237, 13489, 14335, 17507, 20069, 44485, 50995, 59737, 66185, 67445, 77531, 87535, 88877, 100345, 117547, 298685, 387655, 418159, 444385, 542717, 587735, 622139, 822829, 2090795, 2713585, 3110695, 3643957, 4114145, 18219785, 25507699, 127538495]

約数ペア:

[(1, 127538495), (5, 25507699), (7, 18219785), (31, 4114145), (35, 3643957), (41, 3110695), (47, 2713585), (61, 2090795), (155, 822829), (205, 622139), (217, 587735), (235, 542717), (287, 444385), (305, 418159), (329, 387655), (427, 298685), (1085, 117547), (1271, 100345), (1435, 88877), (1457, 87535), (1645, 77531), (1891, 67445), (1927, 66185), (2135, 59737), (2501, 50995), (2867, 44485), (6355, 20069), (7285, 17507), (8897, 14335), (9455, 13489), (9635, 13237), (10199, 12505)]