402201215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19157}}^1$

素因数の和:19211

約数の個数: 32

約数和(自身を含む): 579337920

約数和(自身を除く): 177136705

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 19157, 20995, 95785, 249041, 325669, 363983, 1245205, 1628345, 1819915, 4233697, 4731779, 6187711, 21168485, 23658895, 30938555, 80440243, 402201215]

約数ペア:

[(1, 402201215), (5, 80440243), (13, 30938555), (17, 23658895), (19, 21168485), (65, 6187711), (85, 4731779), (95, 4233697), (221, 1819915), (247, 1628345), (323, 1245205), (1105, 363983), (1235, 325669), (1615, 249041), (4199, 95785), (19157, 20995)]