156720400109

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{17981}}^1$

素因数の和:18162

約数の個数: 48

約数和(自身を含む): 205950003840

約数和(自身を除く): 49229603731

約数列:

[1, 7, 13, 19, 71, 91, 133, 247, 497, 923, 1349, 1729, 5041, 6461, 9443, 17537, 17981, 35287, 65533, 95779, 122759, 125867, 233753, 341639, 458731, 670453, 1245127, 1276651, 1636271, 2391473, 4441307, 8715889, 8936557, 16596463, 24256369, 31089149, 90642221, 116175241, 169794583, 315332797, 634495547, 1178348873, 1722202199, 2207329579, 8248442111, 12055415393, 22388628587, 156720400109]

約数ペア:

[(1, 156720400109), (7, 22388628587), (13, 12055415393), (19, 8248442111), (71, 2207329579), (91, 1722202199), (133, 1178348873), (247, 634495547), (497, 315332797), (923, 169794583), (1349, 116175241), (1729, 90642221), (5041, 31089149), (6461, 24256369), (9443, 16596463), (17537, 8936557), (17981, 8715889), (35287, 4441307), (65533, 2391473), (95779, 1636271), (122759, 1276651), (125867, 1245127), (233753, 670453), (341639, 458731)]