51693719

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 72147456

約数和(自身を除く): 20453737

約数列:

[1, 7, 11, 17, 23, 77, 101, 119, 161, 187, 253, 289, 391, 707, 1111, 1309, 1717, 1771, 2023, 2323, 2737, 3179, 4301, 6647, 7777, 12019, 16261, 18887, 22253, 25553, 29189, 30107, 39491, 46529, 73117, 132209, 178871, 204323, 276437, 321079, 434401, 511819, 671347, 2247553, 3040807, 4699429, 7384817, 51693719]

約数ペア:

[(1, 51693719), (7, 7384817), (11, 4699429), (17, 3040807), (23, 2247553), (77, 671347), (101, 511819), (119, 434401), (161, 321079), (187, 276437), (253, 204323), (289, 178871), (391, 132209), (707, 73117), (1111, 46529), (1309, 39491), (1717, 30107), (1771, 29189), (2023, 25553), (2323, 22253), (2737, 18887), (3179, 16261), (4301, 12019), (6647, 7777)]