30978455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 41256960

約数和(自身を除く): 10278505

約数列:

[1, 5, 19, 31, 67, 95, 155, 157, 335, 589, 785, 1273, 2077, 2945, 2983, 4867, 6365, 10385, 10519, 14915, 24335, 39463, 52595, 92473, 197315, 199861, 326089, 462365, 999305, 1630445, 6195691, 30978455]

約数ペア:

[(1, 30978455), (5, 6195691), (19, 1630445), (31, 999305), (67, 462365), (95, 326089), (155, 199861), (157, 197315), (335, 92473), (589, 52595), (785, 39463), (1273, 24335), (2077, 14915), (2945, 10519), (2983, 10385), (4867, 6365)]