2009804732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1\times {\mathrm{1783}}^1$

素因数の和:2262

約数の個数: 48

約数和(自身を含む): 3870780480

約数和(自身を除く): 1860975748

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 409, 689, 818, 1378, 1636, 1783, 2756, 3566, 5317, 7132, 10634, 21268, 21677, 23179, 43354, 46358, 86708, 92716, 94499, 188998, 281801, 377996, 563602, 729247, 1127204, 1228487, 1458494, 2456974, 2916988, 4913948, 9480211, 18960422, 37920844, 38650091, 77300182, 154600364, 502451183, 1004902366, 2009804732]

約数ペア:

[(1, 2009804732), (2, 1004902366), (4, 502451183), (13, 154600364), (26, 77300182), (52, 38650091), (53, 37920844), (106, 18960422), (212, 9480211), (409, 4913948), (689, 2916988), (818, 2456974), (1378, 1458494), (1636, 1228487), (1783, 1127204), (2756, 729247), (3566, 563602), (5317, 377996), (7132, 281801), (10634, 188998), (21268, 94499), (21677, 92716), (23179, 86708), (43354, 46358)]