278380638

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{74713}}^1$

素因数の和:74750

約数の個数: 40

約数和(自身を含む): 650908368

約数和(自身を除く): 372527730

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 414, 621, 1242, 1863, 3726, 74713, 149426, 224139, 448278, 672417, 1344834, 1718399, 2017251, 3436798, 4034502, 5155197, 6051753, 10310394, 12103506, 15465591, 30931182, 46396773, 92793546, 139190319, 278380638]

約数ペア:

[(1, 278380638), (2, 139190319), (3, 92793546), (6, 46396773), (9, 30931182), (18, 15465591), (23, 12103506), (27, 10310394), (46, 6051753), (54, 5155197), (69, 4034502), (81, 3436798), (138, 2017251), (162, 1718399), (207, 1344834), (414, 672417), (621, 448278), (1242, 224139), (1863, 149426), (3726, 74713)]