30890015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 41743296

約数和(自身を除く): 10853281

約数列:

[1, 5, 13, 41, 65, 67, 173, 205, 335, 533, 865, 871, 2249, 2665, 2747, 4355, 7093, 11245, 11591, 13735, 35465, 35711, 57955, 92209, 150683, 178555, 461045, 475231, 753415, 2376155, 6178003, 30890015]

約数ペア:

[(1, 30890015), (5, 6178003), (13, 2376155), (41, 753415), (65, 475231), (67, 461045), (173, 178555), (205, 150683), (335, 92209), (533, 57955), (865, 35711), (871, 35465), (2249, 13735), (2665, 11591), (2747, 11245), (4355, 7093)]