381272815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 578926656

約数和(自身を除く): 197653841

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 197, 385, 457, 605, 847, 985, 1379, 2167, 2285, 3199, 4235, 5027, 6895, 10835, 15169, 15995, 23837, 25135, 35189, 55297, 75845, 90029, 119185, 166859, 175945, 276485, 387079, 450145, 630203, 834295, 990319, 1935395, 3151015, 4951595, 6932233, 10893509, 34661165, 54467545, 76254563, 381272815]

約数ペア:

[(1, 381272815), (5, 76254563), (7, 54467545), (11, 34661165), (35, 10893509), (55, 6932233), (77, 4951595), (121, 3151015), (197, 1935395), (385, 990319), (457, 834295), (605, 630203), (847, 450145), (985, 387079), (1379, 276485), (2167, 175945), (2285, 166859), (3199, 119185), (4235, 90029), (5027, 75845), (6895, 55297), (10835, 35189), (15169, 25135), (15995, 23837)]