687551228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{3847}}^1$

素因数の和:4362

約数の個数: 48

約数和(自身を含む): 1484281344

約数和(自身を除く): 796730116

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 491, 982, 1964, 3437, 3847, 6383, 6874, 7694, 12766, 13748, 15388, 25532, 26929, 44681, 50011, 53858, 89362, 100022, 107716, 178724, 200044, 350077, 700154, 1400308, 1888877, 3777754, 7555508, 13222139, 24555401, 26444278, 49110802, 52888556, 98221604, 171887807, 343775614, 687551228]

約数ペア:

[(1, 687551228), (2, 343775614), (4, 171887807), (7, 98221604), (13, 52888556), (14, 49110802), (26, 26444278), (28, 24555401), (52, 13222139), (91, 7555508), (182, 3777754), (364, 1888877), (491, 1400308), (982, 700154), (1964, 350077), (3437, 200044), (3847, 178724), (6383, 107716), (6874, 100022), (7694, 89362), (12766, 53858), (13748, 50011), (15388, 44681), (25532, 26929)]