80281565

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 128024064

約数和(自身を除く): 47742499

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 97, 107, 119, 221, 455, 485, 535, 595, 679, 749, 1105, 1261, 1391, 1547, 1649, 1819, 3395, 3745, 6305, 6955, 7735, 8245, 8827, 9095, 9737, 10379, 11543, 12733, 21437, 23647, 44135, 48685, 51895, 57715, 63665, 72653, 107185, 118235, 134927, 150059, 165529, 176443, 363265, 674635, 750295, 827645, 882215, 944489, 1235101, 2293759, 4722445, 6175505, 11468795, 16056313, 80281565]

約数ペア:

[(1, 80281565), (5, 16056313), (7, 11468795), (13, 6175505), (17, 4722445), (35, 2293759), (65, 1235101), (85, 944489), (91, 882215), (97, 827645), (107, 750295), (119, 674635), (221, 363265), (455, 176443), (485, 165529), (535, 150059), (595, 134927), (679, 118235), (749, 107185), (1105, 72653), (1261, 63665), (1391, 57715), (1547, 51895), (1649, 48685), (1819, 44135), (3395, 23647), (3745, 21437), (6305, 12733), (6955, 11543), (7735, 10379), (8245, 9737), (8827, 9095)]