16223865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 32140800

約数和(自身を除く): 15916935

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 61, 85, 105, 119, 149, 183, 255, 305, 357, 427, 447, 595, 745, 915, 1037, 1043, 1281, 1785, 2135, 2235, 2533, 3111, 3129, 5185, 5215, 6405, 7259, 7599, 9089, 12665, 15555, 15645, 17731, 21777, 27267, 36295, 37995, 45445, 53193, 63623, 88655, 108885, 136335, 154513, 190869, 265965, 318115, 463539, 772565, 954345, 1081591, 2317695, 3244773, 5407955, 16223865]

約数ペア:

[(1, 16223865), (3, 5407955), (5, 3244773), (7, 2317695), (15, 1081591), (17, 954345), (21, 772565), (35, 463539), (51, 318115), (61, 265965), (85, 190869), (105, 154513), (119, 136335), (149, 108885), (183, 88655), (255, 63623), (305, 53193), (357, 45445), (427, 37995), (447, 36295), (595, 27267), (745, 21777), (915, 17731), (1037, 15645), (1043, 15555), (1281, 12665), (1785, 9089), (2135, 7599), (2235, 7259), (2533, 6405), (3111, 5215), (3129, 5185)]