80781692

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{1301}}^1$

素因数の和:1386

約数の個数: 36

約数和(自身を含む): 152787096

約数和(自身を除く): 72005404

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 361, 722, 817, 1301, 1444, 1634, 2602, 3268, 5204, 15523, 24719, 31046, 49438, 55943, 62092, 98876, 111886, 223772, 469661, 939322, 1062917, 1878644, 2125834, 4251668, 20195423, 40390846, 80781692]

約数ペア:

[(1, 80781692), (2, 40390846), (4, 20195423), (19, 4251668), (38, 2125834), (43, 1878644), (76, 1062917), (86, 939322), (172, 469661), (361, 223772), (722, 111886), (817, 98876), (1301, 62092), (1444, 55943), (1634, 49438), (2602, 31046), (3268, 24719), (5204, 15523)]