388228346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{1979}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 655490880

約数和(自身を除く): 267262534

約数列:

[1, 2, 11, 22, 37, 74, 241, 407, 482, 814, 1979, 2651, 3958, 5302, 8917, 17834, 21769, 43538, 73223, 98087, 146446, 196174, 476939, 805453, 953878, 1610906, 5246329, 10492658, 17646743, 35293486, 194114173, 388228346]

約数ペア:

[(1, 388228346), (2, 194114173), (11, 35293486), (22, 17646743), (37, 10492658), (74, 5246329), (241, 1610906), (407, 953878), (482, 805453), (814, 476939), (1979, 196174), (2651, 146446), (3958, 98087), (5302, 73223), (8917, 43538), (17834, 21769)]