64810964

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:440

約数の個数: 36

約数和(自身を含む): 120078420

約数和(自身を除く): 55267456

約数列:

[1, 2, 4, 23, 46, 92, 109, 218, 281, 436, 529, 562, 1058, 1124, 2116, 2507, 5014, 6463, 10028, 12926, 25852, 30629, 57661, 61258, 115322, 122516, 148649, 230644, 297298, 594596, 704467, 1408934, 2817868, 16202741, 32405482, 64810964]

約数ペア:

[(1, 64810964), (2, 32405482), (4, 16202741), (23, 2817868), (46, 1408934), (92, 704467), (109, 594596), (218, 297298), (281, 230644), (436, 148649), (529, 122516), (562, 115322), (1058, 61258), (1124, 57661), (2116, 30629), (2507, 25852), (5014, 12926), (6463, 10028)]