989894308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{260773}}^1$

素因数の和:260863

約数の個数: 24

約数和(自身を含む): 1891133048

約数和(自身を除く): 901238740

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 260773, 521546, 1043092, 3390049, 6780098, 13560196, 19036429, 38072858, 76145716, 247473577, 494947154, 989894308]

約数ペア:

[(1, 989894308), (2, 494947154), (4, 247473577), (13, 76145716), (26, 38072858), (52, 19036429), (73, 13560196), (146, 6780098), (292, 3390049), (949, 1043092), (1898, 521546), (3796, 260773)]