26721968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18353}}^1$

素因数の和:18381

約数の個数: 40

約数和(自身を含む): 63725088

約数和(自身を除く): 37003120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 18353, 36706, 73412, 128471, 146824, 238589, 256942, 293648, 477178, 513884, 954356, 1027768, 1670123, 1908712, 2055536, 3340246, 3817424, 6680492, 13360984, 26721968]

約数ペア:

[(1, 26721968), (2, 13360984), (4, 6680492), (7, 3817424), (8, 3340246), (13, 2055536), (14, 1908712), (16, 1670123), (26, 1027768), (28, 954356), (52, 513884), (56, 477178), (91, 293648), (104, 256942), (112, 238589), (182, 146824), (208, 128471), (364, 73412), (728, 36706), (1456, 18353)]