28739435

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 9751765

約数列:

[1, 5, 17, 29, 85, 89, 131, 145, 445, 493, 655, 1513, 2227, 2465, 2581, 3799, 7565, 11135, 11659, 12905, 18995, 43877, 58295, 64583, 198203, 219385, 322915, 338111, 991015, 1690555, 5747887, 28739435]

約数ペア:

[(1, 28739435), (5, 5747887), (17, 1690555), (29, 991015), (85, 338111), (89, 322915), (131, 219385), (145, 198203), (445, 64583), (493, 58295), (655, 43877), (1513, 18995), (2227, 12905), (2465, 11659), (2581, 11135), (3799, 7565)]