201993365

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2243}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 289529856

約数和(自身を除く): 87536491

約数列:

[1, 5, 7, 31, 35, 83, 155, 217, 415, 581, 1085, 2243, 2573, 2905, 11215, 12865, 15701, 18011, 69533, 78505, 90055, 186169, 347665, 486731, 930845, 1303183, 2433655, 5771239, 6515915, 28856195, 40398673, 201993365]

約数ペア:

[(1, 201993365), (5, 40398673), (7, 28856195), (31, 6515915), (35, 5771239), (83, 2433655), (155, 1303183), (217, 930845), (415, 486731), (581, 347665), (1085, 186169), (2243, 90055), (2573, 78505), (2905, 69533), (11215, 18011), (12865, 15701)]