72780368

素因数分解:

$2^4\times {\mathrm{1303}}^1\times {\mathrm{3491}}^1$

素因数の和:4802

約数の個数: 20

約数和(自身を含む): 141160608

約数和(自身を除く): 68380240

約数列:

[1, 2, 4, 8, 16, 1303, 2606, 3491, 5212, 6982, 10424, 13964, 20848, 27928, 55856, 4548773, 9097546, 18195092, 36390184, 72780368]

約数ペア:

[(1, 72780368), (2, 36390184), (4, 18195092), (8, 9097546), (16, 4548773), (1303, 55856), (2606, 27928), (3491, 20848), (5212, 13964), (6982, 10424)]