311932394

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 499219200

約数和(自身を除く): 187286806

約数列:

[1, 2, 23, 46, 71, 142, 149, 298, 641, 1282, 1633, 3266, 3427, 6854, 10579, 14743, 21158, 29486, 45511, 91022, 95509, 191018, 243317, 486634, 1046753, 2093506, 2196707, 4393414, 6781139, 13562278, 155966197, 311932394]

約数ペア:

[(1, 311932394), (2, 155966197), (23, 13562278), (46, 6781139), (71, 4393414), (142, 2196707), (149, 2093506), (298, 1046753), (641, 486634), (1282, 243317), (1633, 191018), (3266, 95509), (3427, 91022), (6854, 45511), (10579, 29486), (14743, 21158)]