681648

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 1922496

約数和(自身を除く): 1240848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 1291, 2582, 3873, 5164, 7746, 10328, 14201, 15492, 20656, 28402, 30984, 42603, 56804, 61968, 85206, 113608, 170412, 227216, 340824, 681648]

約数ペア:

[(1, 681648), (2, 340824), (3, 227216), (4, 170412), (6, 113608), (8, 85206), (11, 61968), (12, 56804), (16, 42603), (22, 30984), (24, 28402), (33, 20656), (44, 15492), (48, 14201), (66, 10328), (88, 7746), (132, 5164), (176, 3873), (264, 2582), (528, 1291)]