221883508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 494547200

約数和(自身を除く): 272663692

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 121, 154, 158, 242, 308, 316, 484, 553, 829, 847, 869, 1106, 1658, 1694, 1738, 2212, 3316, 3388, 3476, 5803, 6083, 9119, 9559, 11606, 12166, 18238, 19118, 23212, 24332, 36476, 38236, 63833, 65491, 66913, 100309, 127666, 130982, 133826, 200618, 255332, 261964, 267652, 401236, 458437, 702163, 720401, 916874, 1404326, 1440802, 1833748, 2808652, 2881604, 5042807, 7924411, 10085614, 15848822, 20171228, 31697644, 55470877, 110941754, 221883508]

約数ペア:

[(1, 221883508), (2, 110941754), (4, 55470877), (7, 31697644), (11, 20171228), (14, 15848822), (22, 10085614), (28, 7924411), (44, 5042807), (77, 2881604), (79, 2808652), (121, 1833748), (154, 1440802), (158, 1404326), (242, 916874), (308, 720401), (316, 702163), (484, 458437), (553, 401236), (829, 267652), (847, 261964), (869, 255332), (1106, 200618), (1658, 133826), (1694, 130982), (1738, 127666), (2212, 100309), (3316, 66913), (3388, 65491), (3476, 63833), (5803, 38236), (6083, 36476), (9119, 24332), (9559, 23212), (11606, 19118), (12166, 18238)]