278367036

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1319}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 666758400

約数和(自身を除く): 388391364

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 409, 516, 818, 1227, 1319, 1636, 2454, 2638, 3957, 4908, 5276, 7914, 15828, 17587, 35174, 52761, 56717, 70348, 105522, 113434, 170151, 211044, 226868, 340302, 539471, 680604, 1078942, 1618413, 2157884, 3236826, 6473652, 23197253, 46394506, 69591759, 92789012, 139183518, 278367036]

約数ペア:

[(1, 278367036), (2, 139183518), (3, 92789012), (4, 69591759), (6, 46394506), (12, 23197253), (43, 6473652), (86, 3236826), (129, 2157884), (172, 1618413), (258, 1078942), (409, 680604), (516, 539471), (818, 340302), (1227, 226868), (1319, 211044), (1636, 170151), (2454, 113434), (2638, 105522), (3957, 70348), (4908, 56717), (5276, 52761), (7914, 35174), (15828, 17587)]