390784784

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{11117}}^1$

素因数の和:11164

約数の個数: 40

約数和(自身を含む): 820286040

約数和(自身を除く): 429501256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2197, 2704, 4394, 8788, 11117, 17576, 22234, 35152, 44468, 88936, 144521, 177872, 289042, 578084, 1156168, 1878773, 2312336, 3757546, 7515092, 15030184, 24424049, 30060368, 48848098, 97696196, 195392392, 390784784]

約数ペア:

[(1, 390784784), (2, 195392392), (4, 97696196), (8, 48848098), (13, 30060368), (16, 24424049), (26, 15030184), (52, 7515092), (104, 3757546), (169, 2312336), (208, 1878773), (338, 1156168), (676, 578084), (1352, 289042), (2197, 177872), (2704, 144521), (4394, 88936), (8788, 44468), (11117, 35152), (17576, 22234)]