15902012

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 34030080

約数和(自身を除く): 18128068

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 421, 497, 532, 842, 994, 1349, 1684, 1988, 2698, 2947, 5396, 5894, 7999, 9443, 11788, 15998, 18886, 29891, 31996, 37772, 55993, 59782, 111986, 119564, 209237, 223972, 418474, 567929, 836948, 1135858, 2271716, 3975503, 7951006, 15902012]

約数ペア:

[(1, 15902012), (2, 7951006), (4, 3975503), (7, 2271716), (14, 1135858), (19, 836948), (28, 567929), (38, 418474), (71, 223972), (76, 209237), (133, 119564), (142, 111986), (266, 59782), (284, 55993), (421, 37772), (497, 31996), (532, 29891), (842, 18886), (994, 15998), (1349, 11788), (1684, 9443), (1988, 7999), (2698, 5894), (2947, 5396)]