989905144

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{48091}}^1$

素因数の和:48211

約数の個数: 32

約数和(自身を含む): 1939069440

約数和(自身を除く): 949164296

約数列:

[1, 2, 4, 8, 31, 62, 83, 124, 166, 248, 332, 664, 2573, 5146, 10292, 20584, 48091, 96182, 192364, 384728, 1490821, 2981642, 3991553, 5963284, 7983106, 11926568, 15966212, 31932424, 123738143, 247476286, 494952572, 989905144]

約数ペア:

[(1, 989905144), (2, 494952572), (4, 247476286), (8, 123738143), (31, 31932424), (62, 15966212), (83, 11926568), (124, 7983106), (166, 5963284), (248, 3991553), (332, 2981642), (664, 1490821), (2573, 384728), (5146, 192364), (10292, 96182), (20584, 48091)]