2019987515

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37307}}^1$

素因数の和:37356

約数の個数: 48

約数和(自身を含む): 3215352672

約数和(自身を除く): 1195365157

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 245, 455, 595, 637, 833, 1105, 1547, 3185, 4165, 7735, 10829, 37307, 54145, 186535, 261149, 484991, 634219, 1305745, 1828043, 2424955, 3171095, 3394937, 4439533, 8244847, 9140215, 16974685, 22197665, 23764559, 31076731, 41224235, 57713929, 118822795, 155383655, 288569645, 403997503, 2019987515]

約数ペア:

[(1, 2019987515), (5, 403997503), (7, 288569645), (13, 155383655), (17, 118822795), (35, 57713929), (49, 41224235), (65, 31076731), (85, 23764559), (91, 22197665), (119, 16974685), (221, 9140215), (245, 8244847), (455, 4439533), (595, 3394937), (637, 3171095), (833, 2424955), (1105, 1828043), (1547, 1305745), (3185, 634219), (4165, 484991), (7735, 261149), (10829, 186535), (37307, 54145)]