211310464

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{20897}}^1$

素因数の和:20990

約数の個数: 32

約数和(自身を含む): 426319200

約数和(自身を除く): 215008736

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2528, 5056, 10112, 20897, 41794, 83588, 167176, 334352, 668704, 1337408, 1650863, 2674816, 3301726, 6603452, 13206904, 26413808, 52827616, 105655232, 211310464]

約数ペア:

[(1, 211310464), (2, 105655232), (4, 52827616), (8, 26413808), (16, 13206904), (32, 6603452), (64, 3301726), (79, 2674816), (128, 1650863), (158, 1337408), (316, 668704), (632, 334352), (1264, 167176), (2528, 83588), (5056, 41794), (10112, 20897)]