638805168

素因数分解:

$2^4\times 3^2\times {\mathrm{281}}^1\times {\mathrm{15787}}^1$

素因数の和:16082

約数の個数: 60

約数和(自身を含む): 1794243048

約数和(自身を除く): 1155437880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 281, 562, 843, 1124, 1686, 2248, 2529, 3372, 4496, 5058, 6744, 10116, 13488, 15787, 20232, 31574, 40464, 47361, 63148, 94722, 126296, 142083, 189444, 252592, 284166, 378888, 568332, 757776, 1136664, 2273328, 4436147, 8872294, 13308441, 17744588, 26616882, 35489176, 39925323, 53233764, 70978352, 79850646, 106467528, 159701292, 212935056, 319402584, 638805168]

約数ペア:

[(1, 638805168), (2, 319402584), (3, 212935056), (4, 159701292), (6, 106467528), (8, 79850646), (9, 70978352), (12, 53233764), (16, 39925323), (18, 35489176), (24, 26616882), (36, 17744588), (48, 13308441), (72, 8872294), (144, 4436147), (281, 2273328), (562, 1136664), (843, 757776), (1124, 568332), (1686, 378888), (2248, 284166), (2529, 252592), (3372, 189444), (4496, 142083), (5058, 126296), (6744, 94722), (10116, 63148), (13488, 47361), (15787, 40464), (20232, 31574)]