78721408

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{32369}}^1$

素因数の和:32402

約数の個数: 32

約数和(自身を含む): 165087000

約数和(自身を除く): 86365592

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 32369, 64738, 129476, 258952, 517904, 615011, 1035808, 1230022, 2071616, 2460044, 4143232, 4920088, 9840176, 19680352, 39360704, 78721408]

約数ペア:

[(1, 78721408), (2, 39360704), (4, 19680352), (8, 9840176), (16, 4920088), (19, 4143232), (32, 2460044), (38, 2071616), (64, 1230022), (76, 1035808), (128, 615011), (152, 517904), (304, 258952), (608, 129476), (1216, 64738), (2432, 32369)]