1209404735

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{719}}^1$

素因数の和:1016

約数の個数: 64

約数和(自身を含む): 1925959680

約数和(自身を除く): 716554945

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 257, 385, 595, 719, 935, 1285, 1309, 1799, 2827, 3595, 4369, 5033, 6545, 7909, 8995, 12223, 14135, 19789, 21845, 25165, 30583, 39545, 48059, 55363, 61115, 85561, 98945, 134453, 152915, 184783, 240295, 276815, 336413, 427805, 672265, 923915, 941171, 1293481, 1682065, 2032613, 3141311, 4705855, 6467405, 10163065, 14228291, 15706555, 21989177, 34554421, 71141455, 109945885, 172772105, 241880947, 1209404735]

約数ペア:

[(1, 1209404735), (5, 241880947), (7, 172772105), (11, 109945885), (17, 71141455), (35, 34554421), (55, 21989177), (77, 15706555), (85, 14228291), (119, 10163065), (187, 6467405), (257, 4705855), (385, 3141311), (595, 2032613), (719, 1682065), (935, 1293481), (1285, 941171), (1309, 923915), (1799, 672265), (2827, 427805), (3595, 336413), (4369, 276815), (5033, 240295), (6545, 184783), (7909, 152915), (8995, 134453), (12223, 98945), (14135, 85561), (19789, 61115), (21845, 55363), (25165, 48059), (30583, 39545)]