201069115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 296231040

約数和(自身を除く): 95161925

約数列:

[1, 5, 13, 17, 19, 61, 65, 85, 95, 157, 221, 247, 305, 323, 785, 793, 1037, 1105, 1159, 1235, 1615, 2041, 2669, 2983, 3965, 4199, 5185, 5795, 9577, 10205, 13345, 13481, 14915, 15067, 19703, 20995, 34697, 38779, 47885, 50711, 67405, 75335, 98515, 124501, 162809, 173485, 181963, 193895, 253555, 256139, 622505, 659243, 814045, 909815, 1280695, 2116517, 2365519, 3093371, 3296215, 10582585, 11827595, 15466855, 40213823, 201069115]

約数ペア:

[(1, 201069115), (5, 40213823), (13, 15466855), (17, 11827595), (19, 10582585), (61, 3296215), (65, 3093371), (85, 2365519), (95, 2116517), (157, 1280695), (221, 909815), (247, 814045), (305, 659243), (323, 622505), (785, 256139), (793, 253555), (1037, 193895), (1105, 181963), (1159, 173485), (1235, 162809), (1615, 124501), (2041, 98515), (2669, 75335), (2983, 67405), (3965, 50711), (4199, 47885), (5185, 38779), (5795, 34697), (9577, 20995), (10205, 19703), (13345, 15067), (13481, 14915)]