257256792

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{274847}}^1$

素因数の和:274872

約数の個数: 48

約数和(自身を含む): 750335040

約数和(自身を除く): 493078248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 274847, 549694, 824541, 1099388, 1649082, 2198776, 2473623, 3298164, 3573011, 4947246, 6596328, 7146022, 9894492, 10719033, 14292044, 19788984, 21438066, 28584088, 32157099, 42876132, 64314198, 85752264, 128628396, 257256792]

約数ペア:

[(1, 257256792), (2, 128628396), (3, 85752264), (4, 64314198), (6, 42876132), (8, 32157099), (9, 28584088), (12, 21438066), (13, 19788984), (18, 14292044), (24, 10719033), (26, 9894492), (36, 7146022), (39, 6596328), (52, 4947246), (72, 3573011), (78, 3298164), (104, 2473623), (117, 2198776), (156, 1649082), (234, 1099388), (312, 824541), (468, 549694), (936, 274847)]