214510855

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 303575040

約数和(自身を除く): 89064185

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 169, 247, 403, 431, 589, 845, 1235, 2015, 2155, 2945, 3211, 5239, 5603, 7657, 8189, 13361, 16055, 26195, 28015, 38285, 40945, 66805, 72839, 99541, 106457, 173693, 253859, 364195, 497705, 532285, 868465, 1269295, 1383941, 2258009, 3300167, 6919705, 11290045, 16500835, 42902171, 214510855]

約数ペア:

[(1, 214510855), (5, 42902171), (13, 16500835), (19, 11290045), (31, 6919705), (65, 3300167), (95, 2258009), (155, 1383941), (169, 1269295), (247, 868465), (403, 532285), (431, 497705), (589, 364195), (845, 253859), (1235, 173693), (2015, 106457), (2155, 99541), (2945, 72839), (3211, 66805), (5239, 40945), (5603, 38285), (7657, 28015), (8189, 26195), (13361, 16055)]