278327056

素因数分解:

$2^4\times 7^2\times {\mathrm{355009}}^1$

素因数の和:355031

約数の個数: 30

約数和(自身を含む): 627302670

約数和(自身を除く): 348975614

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 355009, 710018, 1420036, 2485063, 2840072, 4970126, 5680144, 9940252, 17395441, 19880504, 34790882, 39761008, 69581764, 139163528, 278327056]

約数ペア:

[(1, 278327056), (2, 139163528), (4, 69581764), (7, 39761008), (8, 34790882), (14, 19880504), (16, 17395441), (28, 9940252), (49, 5680144), (56, 4970126), (98, 2840072), (112, 2485063), (196, 1420036), (392, 710018), (784, 355009)]