2802163

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 3619728

約数和(自身を除く): 817565

約数列:

[1, 7, 13, 49, 53, 83, 91, 371, 581, 637, 689, 1079, 2597, 4067, 4399, 4823, 7553, 30793, 33761, 52871, 57187, 215551, 400309, 2802163]

約数ペア:

[(1, 2802163), (7, 400309), (13, 215551), (49, 57187), (53, 52871), (83, 33761), (91, 30793), (371, 7553), (581, 4823), (637, 4399), (689, 4067), (1079, 2597)]