1640692208

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{9431}}^1$

素因数の和:9653

約数の個数: 40

約数和(自身を含む): 3242042496

約数和(自身を除く): 1601350288

約数列:

[1, 2, 4, 8, 16, 83, 131, 166, 262, 332, 524, 664, 1048, 1328, 2096, 9431, 10873, 18862, 21746, 37724, 43492, 75448, 86984, 150896, 173968, 782773, 1235461, 1565546, 2470922, 3131092, 4941844, 6262184, 9883688, 12524368, 19767376, 102543263, 205086526, 410173052, 820346104, 1640692208]

約数ペア:

[(1, 1640692208), (2, 820346104), (4, 410173052), (8, 205086526), (16, 102543263), (83, 19767376), (131, 12524368), (166, 9883688), (262, 6262184), (332, 4941844), (524, 3131092), (664, 2470922), (1048, 1565546), (1328, 1235461), (2096, 782773), (9431, 173968), (10873, 150896), (18862, 86984), (21746, 75448), (37724, 43492)]