25621635

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 22278525

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 59, 65, 85, 131, 177, 195, 221, 255, 295, 393, 655, 663, 767, 885, 1003, 1105, 1703, 1965, 2227, 2301, 3009, 3315, 3835, 5015, 5109, 6681, 7729, 8515, 11135, 11505, 13039, 15045, 23187, 25545, 28951, 33405, 38645, 39117, 65195, 86853, 100477, 115935, 131393, 144755, 195585, 301431, 394179, 434265, 502385, 656965, 1507155, 1708109, 1970895, 5124327, 8540545, 25621635]

約数ペア:

[(1, 25621635), (3, 8540545), (5, 5124327), (13, 1970895), (15, 1708109), (17, 1507155), (39, 656965), (51, 502385), (59, 434265), (65, 394179), (85, 301431), (131, 195585), (177, 144755), (195, 131393), (221, 115935), (255, 100477), (295, 86853), (393, 65195), (655, 39117), (663, 38645), (767, 33405), (885, 28951), (1003, 25545), (1105, 23187), (1703, 15045), (1965, 13039), (2227, 11505), (2301, 11135), (3009, 8515), (3315, 7729), (3835, 6681), (5015, 5109)]