1520776816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{43781}}^1$

素因数の和:43969

約数の個数: 40

約数和(自身を含む): 3192233184

約数和(自身を除く): 1671456368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 668, 1336, 2171, 2672, 4342, 8684, 17368, 34736, 43781, 87562, 175124, 350248, 569153, 700496, 1138306, 2276612, 4553224, 7311427, 9106448, 14622854, 29245708, 58491416, 95048551, 116982832, 190097102, 380194204, 760388408, 1520776816]

約数ペア:

[(1, 1520776816), (2, 760388408), (4, 380194204), (8, 190097102), (13, 116982832), (16, 95048551), (26, 58491416), (52, 29245708), (104, 14622854), (167, 9106448), (208, 7311427), (334, 4553224), (668, 2276612), (1336, 1138306), (2171, 700496), (2672, 569153), (4342, 350248), (8684, 175124), (17368, 87562), (34736, 43781)]