1491568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 3187296

約数和(自身を除く): 1695728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 101, 104, 142, 202, 208, 284, 404, 568, 808, 923, 1136, 1313, 1616, 1846, 2626, 3692, 5252, 7171, 7384, 10504, 14342, 14768, 21008, 28684, 57368, 93223, 114736, 186446, 372892, 745784, 1491568]

約数ペア:

[(1, 1491568), (2, 745784), (4, 372892), (8, 186446), (13, 114736), (16, 93223), (26, 57368), (52, 28684), (71, 21008), (101, 14768), (104, 14342), (142, 10504), (202, 7384), (208, 7171), (284, 5252), (404, 3692), (568, 2626), (808, 1846), (923, 1616), (1136, 1313)]