279969365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{811}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 373234176

約数和(自身を除く): 93264811

約数列:

[1, 5, 13, 47, 65, 113, 235, 565, 611, 811, 1469, 3055, 4055, 5311, 7345, 10543, 26555, 38117, 52715, 69043, 91643, 190585, 345215, 458215, 495521, 1191359, 2477605, 4307221, 5956795, 21536105, 55993873, 279969365]

約数ペア:

[(1, 279969365), (5, 55993873), (13, 21536105), (47, 5956795), (65, 4307221), (113, 2477605), (235, 1191359), (565, 495521), (611, 458215), (811, 345215), (1469, 190585), (3055, 91643), (4055, 69043), (5311, 52715), (7345, 38117), (10543, 26555)]