28621537

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 34572096

約数和(自身を除く): 5950559

約数列:

[1, 7, 49, 53, 103, 107, 371, 721, 749, 2597, 5047, 5243, 5459, 5671, 11021, 38213, 39697, 77147, 267491, 277879, 540029, 584113, 4088791, 28621537]

約数ペア:

[(1, 28621537), (7, 4088791), (49, 584113), (53, 540029), (103, 277879), (107, 267491), (371, 77147), (721, 39697), (749, 38213), (2597, 11021), (5047, 5671), (5243, 5459)]