289657648

素因数分解:

$2^4\times 7^1\times {\mathrm{509}}^1\times {\mathrm{5081}}^1$

素因数の和:5605

約数の個数: 40

約数和(自身を含む): 642771360

約数和(自身を除く): 353113712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 509, 1018, 2036, 3563, 4072, 5081, 7126, 8144, 10162, 14252, 20324, 28504, 35567, 40648, 57008, 71134, 81296, 142268, 284536, 569072, 2586229, 5172458, 10344916, 18103603, 20689832, 36207206, 41379664, 72414412, 144828824, 289657648]

約数ペア:

[(1, 289657648), (2, 144828824), (4, 72414412), (7, 41379664), (8, 36207206), (14, 20689832), (16, 18103603), (28, 10344916), (56, 5172458), (112, 2586229), (509, 569072), (1018, 284536), (2036, 142268), (3563, 81296), (4072, 71134), (5081, 57008), (7126, 40648), (8144, 35567), (10162, 28504), (14252, 20324)]