9815881075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12653}}^1$

素因数の和:12725

約数の個数: 96

約数和(自身を含む): 16870920192

約数和(自身を除く): 7055039117

約数列:

[1, 5, 7, 11, 13, 25, 31, 35, 55, 65, 77, 91, 143, 155, 175, 217, 275, 325, 341, 385, 403, 455, 715, 775, 1001, 1085, 1705, 1925, 2015, 2275, 2387, 2821, 3575, 4433, 5005, 5425, 8525, 10075, 11935, 12653, 14105, 22165, 25025, 31031, 59675, 63265, 70525, 88571, 110825, 139183, 155155, 164489, 316325, 392243, 442855, 695915, 775775, 822445, 974281, 1151423, 1809379, 1961215, 2214275, 2745701, 3479575, 4112225, 4314673, 4871405, 5099159, 5757115, 9046895, 9806075, 12665653, 13728505, 21573365, 24357025, 25495795, 28785575, 30202711, 35694113, 45234475, 56090749, 63328265, 68642525, 107866825, 127478975, 151013555, 178470565, 280453745, 316641325, 392635243, 755067775, 892352825, 1402268725, 1963176215, 9815881075]

約数ペア:

[(1, 9815881075), (5, 1963176215), (7, 1402268725), (11, 892352825), (13, 755067775), (25, 392635243), (31, 316641325), (35, 280453745), (55, 178470565), (65, 151013555), (77, 127478975), (91, 107866825), (143, 68642525), (155, 63328265), (175, 56090749), (217, 45234475), (275, 35694113), (325, 30202711), (341, 28785575), (385, 25495795), (403, 24357025), (455, 21573365), (715, 13728505), (775, 12665653), (1001, 9806075), (1085, 9046895), (1705, 5757115), (1925, 5099159), (2015, 4871405), (2275, 4314673), (2387, 4112225), (2821, 3479575), (3575, 2745701), (4433, 2214275), (5005, 1961215), (5425, 1809379), (8525, 1151423), (10075, 974281), (11935, 822445), (12653, 775775), (14105, 695915), (22165, 442855), (25025, 392243), (31031, 316325), (59675, 164489), (63265, 155155), (70525, 139183), (88571, 110825)]