213989875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8191}}^1$

素因数の和:8236

約数の個数: 32

約数和(自身を含む): 306708480

約数和(自身を除く): 92718605

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 1045, 1375, 2375, 5225, 8191, 26125, 40955, 90101, 155629, 204775, 450505, 778145, 1023875, 1711919, 2252525, 3890725, 8559595, 11262625, 19453625, 42797975, 213989875]

約数ペア:

[(1, 213989875), (5, 42797975), (11, 19453625), (19, 11262625), (25, 8559595), (55, 3890725), (95, 2252525), (125, 1711919), (209, 1023875), (275, 778145), (475, 450505), (1045, 204775), (1375, 155629), (2375, 90101), (5225, 40955), (8191, 26125)]