648794815

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 882524160

約数和(自身を除く): 233729345

約数列:

[1, 5, 29, 31, 37, 47, 83, 145, 155, 185, 235, 415, 899, 1073, 1147, 1363, 1457, 1739, 2407, 2573, 3071, 3901, 4495, 5365, 5735, 6815, 7285, 8695, 12035, 12865, 15355, 19505, 33263, 42253, 50431, 53909, 74617, 89059, 95201, 113129, 120931, 144337, 166315, 211265, 252155, 269545, 373085, 445295, 476005, 565645, 604655, 721685, 1563361, 2760829, 3506999, 4185773, 4474447, 7816805, 13804145, 17534995, 20928865, 22372235, 129758963, 648794815]

約数ペア:

[(1, 648794815), (5, 129758963), (29, 22372235), (31, 20928865), (37, 17534995), (47, 13804145), (83, 7816805), (145, 4474447), (155, 4185773), (185, 3506999), (235, 2760829), (415, 1563361), (899, 721685), (1073, 604655), (1147, 565645), (1363, 476005), (1457, 445295), (1739, 373085), (2407, 269545), (2573, 252155), (3071, 211265), (3901, 166315), (4495, 144337), (5365, 120931), (5735, 113129), (6815, 95201), (7285, 89059), (8695, 74617), (12035, 53909), (12865, 50431), (15355, 42253), (19505, 33263)]