261174928

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 602818560

約数和(自身を除く): 341643632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 191, 203, 232, 382, 406, 421, 464, 764, 812, 842, 1337, 1528, 1624, 1684, 2674, 2947, 3056, 3248, 3368, 5348, 5539, 5894, 6736, 10696, 11078, 11788, 12209, 21392, 22156, 23576, 24418, 38773, 44312, 47152, 48836, 77546, 80411, 85463, 88624, 97672, 155092, 160822, 170926, 195344, 310184, 321644, 341852, 562877, 620368, 643288, 683704, 1125754, 1286576, 1367408, 2251508, 2331919, 4503016, 4663838, 9006032, 9327676, 16323433, 18655352, 32646866, 37310704, 65293732, 130587464, 261174928]

約数ペア:

[(1, 261174928), (2, 130587464), (4, 65293732), (7, 37310704), (8, 32646866), (14, 18655352), (16, 16323433), (28, 9327676), (29, 9006032), (56, 4663838), (58, 4503016), (112, 2331919), (116, 2251508), (191, 1367408), (203, 1286576), (232, 1125754), (382, 683704), (406, 643288), (421, 620368), (464, 562877), (764, 341852), (812, 321644), (842, 310184), (1337, 195344), (1528, 170926), (1624, 160822), (1684, 155092), (2674, 97672), (2947, 88624), (3056, 85463), (3248, 80411), (3368, 77546), (5348, 48836), (5539, 47152), (5894, 44312), (6736, 38773), (10696, 24418), (11078, 23576), (11788, 22156), (12209, 21392)]