65208965

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 85017600

約数和(自身を除く): 19808635

約数列:

[1, 5, 29, 31, 89, 145, 155, 163, 445, 815, 899, 2581, 2759, 4495, 4727, 5053, 12905, 13795, 14507, 23635, 25265, 72535, 80011, 146537, 400055, 420703, 449717, 732685, 2103515, 2248585, 13041793, 65208965]

約数ペア:

[(1, 65208965), (5, 13041793), (29, 2248585), (31, 2103515), (89, 732685), (145, 449717), (155, 420703), (163, 400055), (445, 146537), (815, 80011), (899, 72535), (2581, 25265), (2759, 23635), (4495, 14507), (4727, 13795), (5053, 12905)]