291248872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{17579}}^1$

素因数の和:17713

約数の個数: 32

約数和(自身を含む): 580140000

約数和(自身を除く): 288891128

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 2071, 4142, 8284, 16568, 17579, 35158, 70316, 140632, 334001, 668002, 1336004, 1916111, 2672008, 3832222, 7664444, 15328888, 36406109, 72812218, 145624436, 291248872]

約数ペア:

[(1, 291248872), (2, 145624436), (4, 72812218), (8, 36406109), (19, 15328888), (38, 7664444), (76, 3832222), (109, 2672008), (152, 1916111), (218, 1336004), (436, 668002), (872, 334001), (2071, 140632), (4142, 70316), (8284, 35158), (16568, 17579)]