66585584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2039}}^1$

素因数の和:2217

約数の個数: 40

約数和(自身を含む): 139886880

約数和(自身を除く): 73301296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 2039, 2041, 2512, 4078, 4082, 8156, 8164, 16312, 16328, 26507, 32624, 32656, 53014, 106028, 212056, 320123, 424112, 640246, 1280492, 2560984, 4161599, 5121968, 8323198, 16646396, 33292792, 66585584]

約数ペア:

[(1, 66585584), (2, 33292792), (4, 16646396), (8, 8323198), (13, 5121968), (16, 4161599), (26, 2560984), (52, 1280492), (104, 640246), (157, 424112), (208, 320123), (314, 212056), (628, 106028), (1256, 53014), (2039, 32656), (2041, 32624), (2512, 26507), (4078, 16328), (4082, 16312), (8156, 8164)]