28389916945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{6619}}^1$

素因数の和:6830

約数の個数: 64

約数和(自身を含む): 40571596800

約数和(自身を除く): 12181679855

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 151, 247, 299, 437, 755, 1235, 1495, 1963, 2185, 2869, 3473, 5681, 6619, 9815, 14345, 17365, 28405, 33095, 37297, 45149, 65987, 86047, 125761, 152237, 186485, 225745, 329935, 430235, 628805, 761185, 857831, 999469, 1634893, 1979081, 2892503, 4289155, 4997345, 8174465, 9895405, 12993097, 14462515, 18989911, 22987787, 37602539, 64965485, 94949555, 114938935, 188012695, 246868843, 298841231, 436767953, 1234344215, 1494206155, 2183839765, 5677983389, 28389916945]

約数ペア:

[(1, 28389916945), (5, 5677983389), (13, 2183839765), (19, 1494206155), (23, 1234344215), (65, 436767953), (95, 298841231), (115, 246868843), (151, 188012695), (247, 114938935), (299, 94949555), (437, 64965485), (755, 37602539), (1235, 22987787), (1495, 18989911), (1963, 14462515), (2185, 12993097), (2869, 9895405), (3473, 8174465), (5681, 4997345), (6619, 4289155), (9815, 2892503), (14345, 1979081), (17365, 1634893), (28405, 999469), (33095, 857831), (37297, 761185), (45149, 628805), (65987, 430235), (86047, 329935), (125761, 225745), (152237, 186485)]