28016990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{673}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 52992576

約数和(自身を除く): 24975586

約数列:

[1, 2, 5, 10, 23, 46, 115, 181, 230, 362, 673, 905, 1346, 1810, 3365, 4163, 6730, 8326, 15479, 20815, 30958, 41630, 77395, 121813, 154790, 243626, 609065, 1218130, 2801699, 5603398, 14008495, 28016990]

約数ペア:

[(1, 28016990), (2, 14008495), (5, 5603398), (10, 2801699), (23, 1218130), (46, 609065), (115, 243626), (181, 154790), (230, 121813), (362, 77395), (673, 41630), (905, 30958), (1346, 20815), (1810, 15479), (3365, 8326), (4163, 6730)]