317278325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1567}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 489968640

約数和(自身を除く): 172690315

約数列:

[1, 5, 7, 13, 25, 35, 65, 89, 91, 175, 325, 445, 455, 623, 1157, 1567, 2225, 2275, 3115, 5785, 7835, 8099, 10969, 15575, 20371, 28925, 39175, 40495, 54845, 101855, 139463, 142597, 202475, 274225, 509275, 697315, 712985, 976241, 1813019, 3486575, 3564925, 4881205, 9065095, 12691133, 24406025, 45325475, 63455665, 317278325]

約数ペア:

[(1, 317278325), (5, 63455665), (7, 45325475), (13, 24406025), (25, 12691133), (35, 9065095), (65, 4881205), (89, 3564925), (91, 3486575), (175, 1813019), (325, 976241), (445, 712985), (455, 697315), (623, 509275), (1157, 274225), (1567, 202475), (2225, 142597), (2275, 139463), (3115, 101855), (5785, 54845), (7835, 40495), (8099, 39175), (10969, 28925), (15575, 20371)]