78977888

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2521}}^1$

素因数の和:2631

約数の個数: 48

約数和(自身を含む): 171596880

約数和(自身を除く): 92618992

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 89, 176, 178, 352, 356, 712, 979, 1424, 1958, 2521, 2848, 3916, 5042, 7832, 10084, 15664, 20168, 27731, 31328, 40336, 55462, 80672, 110924, 221848, 224369, 443696, 448738, 887392, 897476, 1794952, 2468059, 3589904, 4936118, 7179808, 9872236, 19744472, 39488944, 78977888]

約数ペア:

[(1, 78977888), (2, 39488944), (4, 19744472), (8, 9872236), (11, 7179808), (16, 4936118), (22, 3589904), (32, 2468059), (44, 1794952), (88, 897476), (89, 887392), (176, 448738), (178, 443696), (352, 224369), (356, 221848), (712, 110924), (979, 80672), (1424, 55462), (1958, 40336), (2521, 31328), (2848, 27731), (3916, 20168), (5042, 15664), (7832, 10084)]