551498902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 882604800

約数和(自身を除く): 331105898

約数列:

[1, 2, 19, 38, 139, 263, 278, 397, 526, 794, 2641, 4997, 5282, 7543, 9994, 15086, 36557, 55183, 73114, 104411, 110366, 208822, 694583, 1048477, 1389166, 1983809, 2096954, 3967618, 14513129, 29026258, 275749451, 551498902]

約数ペア:

[(1, 551498902), (2, 275749451), (19, 29026258), (38, 14513129), (139, 3967618), (263, 2096954), (278, 1983809), (397, 1389166), (526, 1048477), (794, 694583), (2641, 208822), (4997, 110366), (5282, 104411), (7543, 73114), (9994, 55183), (15086, 36557)]