66987656

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{347}}^1\times {\mathrm{409}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 128412000

約数和(自身を除く): 61424344

約数列:

[1, 2, 4, 8, 59, 118, 236, 347, 409, 472, 694, 818, 1388, 1636, 2776, 3272, 20473, 24131, 40946, 48262, 81892, 96524, 141923, 163784, 193048, 283846, 567692, 1135384, 8373457, 16746914, 33493828, 66987656]

約数ペア:

[(1, 66987656), (2, 33493828), (4, 16746914), (8, 8373457), (59, 1135384), (118, 567692), (236, 283846), (347, 193048), (409, 163784), (472, 141923), (694, 96524), (818, 81892), (1388, 48262), (1636, 40946), (2776, 24131), (3272, 20473)]