78660505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1181}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 118464768

約数和(自身を除く): 39804263

約数列:

[1, 5, 7, 11, 35, 55, 77, 173, 385, 865, 1181, 1211, 1903, 5905, 6055, 8267, 9515, 12991, 13321, 41335, 64955, 66605, 90937, 204313, 454685, 1021565, 1430191, 2247443, 7150955, 11237215, 15732101, 78660505]

約数ペア:

[(1, 78660505), (5, 15732101), (7, 11237215), (11, 7150955), (35, 2247443), (55, 1430191), (77, 1021565), (173, 454685), (385, 204313), (865, 90937), (1181, 66605), (1211, 64955), (1903, 41335), (5905, 13321), (6055, 12991), (8267, 9515)]