81349436

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2141}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 91381444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 59, 92, 118, 161, 236, 322, 413, 644, 826, 1357, 1652, 2141, 2714, 4282, 5428, 8564, 9499, 14987, 18998, 29974, 37996, 49243, 59948, 98486, 126319, 196972, 252638, 344701, 505276, 689402, 884233, 1378804, 1768466, 2905337, 3536932, 5810674, 11621348, 20337359, 40674718, 81349436]

約数ペア:

[(1, 81349436), (2, 40674718), (4, 20337359), (7, 11621348), (14, 5810674), (23, 3536932), (28, 2905337), (46, 1768466), (59, 1378804), (92, 884233), (118, 689402), (161, 505276), (236, 344701), (322, 252638), (413, 196972), (644, 126319), (826, 98486), (1357, 59948), (1652, 49243), (2141, 37996), (2714, 29974), (4282, 18998), (5428, 14987), (8564, 9499)]