81197452

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2137}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 172408320

約数和(自身を除く): 91210868

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 59, 92, 118, 161, 236, 322, 413, 644, 826, 1357, 1652, 2137, 2714, 4274, 5428, 8548, 9499, 14959, 18998, 29918, 37996, 49151, 59836, 98302, 126083, 196604, 252166, 344057, 504332, 688114, 882581, 1376228, 1765162, 2899909, 3530324, 5799818, 11599636, 20299363, 40598726, 81197452]

約数ペア:

[(1, 81197452), (2, 40598726), (4, 20299363), (7, 11599636), (14, 5799818), (23, 3530324), (28, 2899909), (46, 1765162), (59, 1376228), (92, 882581), (118, 688114), (161, 504332), (236, 344057), (322, 252166), (413, 196604), (644, 126083), (826, 98302), (1357, 59836), (1652, 49151), (2137, 37996), (2714, 29918), (4274, 18998), (5428, 14959), (8548, 9499)]