81785648

素因数分解:

$2^4\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2333}}^1$

素因数の和:2661

約数の個数: 40

約数和(自身を含む): 181753248

約数和(自身を除く): 99967600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 313, 626, 1252, 2191, 2333, 2504, 4382, 4666, 5008, 8764, 9332, 16331, 17528, 18664, 32662, 35056, 37328, 65324, 130648, 261296, 730229, 1460458, 2920916, 5111603, 5841832, 10223206, 11683664, 20446412, 40892824, 81785648]

約数ペア:

[(1, 81785648), (2, 40892824), (4, 20446412), (7, 11683664), (8, 10223206), (14, 5841832), (16, 5111603), (28, 2920916), (56, 1460458), (112, 730229), (313, 261296), (626, 130648), (1252, 65324), (2191, 37328), (2333, 35056), (2504, 32662), (4382, 18664), (4666, 17528), (5008, 16331), (8764, 9332)]