28771505

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 41693184

約数和(自身を除く): 12921679

約数列:

[1, 5, 7, 23, 35, 103, 115, 161, 347, 515, 721, 805, 1735, 2369, 2429, 3605, 7981, 11845, 12145, 16583, 35741, 39905, 55867, 82915, 178705, 250187, 279335, 822043, 1250935, 4110215, 5754301, 28771505]

約数ペア:

[(1, 28771505), (5, 5754301), (7, 4110215), (23, 1250935), (35, 822043), (103, 279335), (115, 250187), (161, 178705), (347, 82915), (515, 55867), (721, 39905), (805, 35741), (1735, 16583), (2369, 12145), (2429, 11845), (3605, 7981)]