198717904

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1597}}^1$

素因数の和:1724

約数の個数: 80

約数和(自身を含む): 485076096

約数和(自身を除く): 286358192

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 101, 112, 154, 176, 202, 308, 404, 616, 707, 808, 1111, 1232, 1414, 1597, 1616, 2222, 2828, 3194, 4444, 5656, 6388, 7777, 8888, 11179, 11312, 12776, 15554, 17567, 17776, 22358, 25552, 31108, 35134, 44716, 62216, 70268, 89432, 122969, 124432, 140536, 161297, 178864, 245938, 281072, 322594, 491876, 645188, 983752, 1129079, 1290376, 1774267, 1967504, 2258158, 2580752, 3548534, 4516316, 7097068, 9032632, 12419869, 14194136, 18065264, 24839738, 28388272, 49679476, 99358952, 198717904]

約数ペア:

[(1, 198717904), (2, 99358952), (4, 49679476), (7, 28388272), (8, 24839738), (11, 18065264), (14, 14194136), (16, 12419869), (22, 9032632), (28, 7097068), (44, 4516316), (56, 3548534), (77, 2580752), (88, 2258158), (101, 1967504), (112, 1774267), (154, 1290376), (176, 1129079), (202, 983752), (308, 645188), (404, 491876), (616, 322594), (707, 281072), (808, 245938), (1111, 178864), (1232, 161297), (1414, 140536), (1597, 124432), (1616, 122969), (2222, 89432), (2828, 70268), (3194, 62216), (4444, 44716), (5656, 35134), (6388, 31108), (7777, 25552), (8888, 22358), (11179, 17776), (11312, 17567), (12776, 15554)]