72281755

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6907}}^1$

素因数の和:6955

約数の個数: 32

約数和(自身を含む): 111412224

約数和(自身を除く): 39130469

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 6907, 10465, 34535, 48349, 89791, 158861, 241745, 448955, 628537, 794305, 1112027, 2065193, 3142685, 5560135, 10325965, 14456351, 72281755]

約数ペア:

[(1, 72281755), (5, 14456351), (7, 10325965), (13, 5560135), (23, 3142685), (35, 2065193), (65, 1112027), (91, 794305), (115, 628537), (161, 448955), (299, 241745), (455, 158861), (805, 89791), (1495, 48349), (2093, 34535), (6907, 10465)]