1521198748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 2960231120

約数和(自身を除く): 1439032372

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 157, 241, 314, 437, 482, 529, 628, 874, 964, 1058, 1748, 2116, 2983, 3611, 4579, 5543, 5966, 7222, 9158, 10051, 11086, 11932, 14444, 18316, 20102, 22172, 37837, 40204, 68609, 75674, 83053, 105317, 127489, 137218, 151348, 166106, 210634, 254978, 274436, 332212, 421268, 509956, 718903, 870251, 1437806, 1578007, 1740502, 2422291, 2875612, 3156014, 3481004, 4844582, 6312028, 9689164, 16534769, 20015773, 33069538, 40031546, 66139076, 80063092, 380299687, 760599374, 1521198748]

約数ペア:

[(1, 1521198748), (2, 760599374), (4, 380299687), (19, 80063092), (23, 66139076), (38, 40031546), (46, 33069538), (76, 20015773), (92, 16534769), (157, 9689164), (241, 6312028), (314, 4844582), (437, 3481004), (482, 3156014), (529, 2875612), (628, 2422291), (874, 1740502), (964, 1578007), (1058, 1437806), (1748, 870251), (2116, 718903), (2983, 509956), (3611, 421268), (4579, 332212), (5543, 274436), (5966, 254978), (7222, 210634), (9158, 166106), (10051, 151348), (11086, 137218), (11932, 127489), (14444, 105317), (18316, 83053), (20102, 75674), (22172, 68609), (37837, 40204)]