64507888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{479}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 132134400

約数和(自身を除く): 67626512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 443, 479, 886, 958, 1772, 1916, 3544, 3832, 7088, 7664, 8417, 9101, 16834, 18202, 33668, 36404, 67336, 72808, 134672, 145616, 212197, 424394, 848788, 1697576, 3395152, 4031743, 8063486, 16126972, 32253944, 64507888]

約数ペア:

[(1, 64507888), (2, 32253944), (4, 16126972), (8, 8063486), (16, 4031743), (19, 3395152), (38, 1697576), (76, 848788), (152, 424394), (304, 212197), (443, 145616), (479, 134672), (886, 72808), (958, 67336), (1772, 36404), (1916, 33668), (3544, 18202), (3832, 16834), (7088, 9101), (7664, 8417)]