30987515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 12920965

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 967, 1105, 1885, 2465, 4835, 6409, 12571, 16439, 28043, 32045, 62855, 82195, 140215, 213707, 364559, 476731, 1068535, 1822795, 2383655, 6197503, 30987515]

約数ペア:

[(1, 30987515), (5, 6197503), (13, 2383655), (17, 1822795), (29, 1068535), (65, 476731), (85, 364559), (145, 213707), (221, 140215), (377, 82195), (493, 62855), (967, 32045), (1105, 28043), (1885, 16439), (2465, 12571), (4835, 6409)]