1640223546

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{72763}}^1$

素因数の和:72815

約数の個数: 48

約数和(自身を含む): 3752876064

約数和(自身を除く): 2112652518

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 289, 442, 578, 663, 867, 1326, 1734, 3757, 7514, 11271, 22542, 72763, 145526, 218289, 436578, 945919, 1236971, 1891838, 2473942, 2837757, 3710913, 5675514, 7421826, 16080623, 21028507, 32161246, 42057014, 48241869, 63085521, 96483738, 126171042, 273370591, 546741182, 820111773, 1640223546]

約数ペア:

[(1, 1640223546), (2, 820111773), (3, 546741182), (6, 273370591), (13, 126171042), (17, 96483738), (26, 63085521), (34, 48241869), (39, 42057014), (51, 32161246), (78, 21028507), (102, 16080623), (221, 7421826), (289, 5675514), (442, 3710913), (578, 2837757), (663, 2473942), (867, 1891838), (1326, 1236971), (1734, 945919), (3757, 436578), (7514, 218289), (11271, 145526), (22542, 72763)]