45551891

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 63659520

約数和(自身を除く): 18107629

約数列:

[1, 7, 11, 17, 23, 77, 89, 119, 161, 187, 253, 289, 391, 623, 979, 1309, 1513, 1771, 2023, 2047, 2737, 3179, 4301, 6647, 6853, 10591, 14329, 16643, 22253, 22517, 25721, 30107, 34799, 46529, 73117, 116501, 157619, 180047, 243593, 282931, 382789, 511819, 591583, 1980517, 2679523, 4141081, 6507413, 45551891]

約数ペア:

[(1, 45551891), (7, 6507413), (11, 4141081), (17, 2679523), (23, 1980517), (77, 591583), (89, 511819), (119, 382789), (161, 282931), (187, 243593), (253, 180047), (289, 157619), (391, 116501), (623, 73117), (979, 46529), (1309, 34799), (1513, 30107), (1771, 25721), (2023, 22517), (2047, 22253), (2737, 16643), (3179, 14329), (4301, 10591), (6647, 6853)]