64996672

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{78121}}^1$

素因数の和:78146

約数の個数: 28

約数和(自身を含む): 138900916

約数和(自身を除く): 73904244

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 78121, 156242, 312484, 624968, 1015573, 1249936, 2031146, 2499872, 4062292, 4999744, 8124584, 16249168, 32498336, 64996672]

約数ペア:

[(1, 64996672), (2, 32498336), (4, 16249168), (8, 8124584), (13, 4999744), (16, 4062292), (26, 2499872), (32, 2031146), (52, 1249936), (64, 1015573), (104, 624968), (208, 312484), (416, 156242), (832, 78121)]