161399756

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4273}}^1$

素因数の和:4374

約数の個数: 48

約数和(自身を含む): 344655360

約数和(自身を除く): 183255604

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 532, 994, 1349, 1988, 2698, 4273, 5396, 8546, 9443, 17092, 18886, 29911, 37772, 59822, 81187, 119644, 162374, 303383, 324748, 568309, 606766, 1136618, 1213532, 2123681, 2273236, 4247362, 5764277, 8494724, 11528554, 23057108, 40349939, 80699878, 161399756]

約数ペア:

[(1, 161399756), (2, 80699878), (4, 40349939), (7, 23057108), (14, 11528554), (19, 8494724), (28, 5764277), (38, 4247362), (71, 2273236), (76, 2123681), (133, 1213532), (142, 1136618), (266, 606766), (284, 568309), (497, 324748), (532, 303383), (994, 162374), (1349, 119644), (1988, 81187), (2698, 59822), (4273, 37772), (5396, 29911), (8546, 18886), (9443, 17092)]