638060745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{9661}}^1$

素因数の和:9730

約数の個数: 64

約数和(自身を含む): 1268891136

約数和(自身を除く): 630830391

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 37, 51, 85, 105, 111, 119, 185, 255, 259, 357, 555, 595, 629, 777, 1295, 1785, 1887, 3145, 3885, 4403, 9435, 9661, 13209, 22015, 28983, 48305, 66045, 67627, 144915, 164237, 202881, 338135, 357457, 492711, 821185, 1014405, 1072371, 1149659, 1787285, 2463555, 2502199, 3448977, 5361855, 5748295, 6076769, 7506597, 12510995, 17244885, 18230307, 30383845, 37532985, 42537383, 91151535, 127612149, 212686915, 638060745]

約数ペア:

[(1, 638060745), (3, 212686915), (5, 127612149), (7, 91151535), (15, 42537383), (17, 37532985), (21, 30383845), (35, 18230307), (37, 17244885), (51, 12510995), (85, 7506597), (105, 6076769), (111, 5748295), (119, 5361855), (185, 3448977), (255, 2502199), (259, 2463555), (357, 1787285), (555, 1149659), (595, 1072371), (629, 1014405), (777, 821185), (1295, 492711), (1785, 357457), (1887, 338135), (3145, 202881), (3885, 164237), (4403, 144915), (9435, 67627), (9661, 66045), (13209, 48305), (22015, 28983)]