78368591

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 93806496

約数和(自身を除く): 15437905

約数列:

[1, 7, 49, 61, 157, 167, 427, 1099, 1169, 2989, 7693, 8183, 9577, 10187, 26219, 67039, 71309, 183533, 469273, 499163, 1284731, 1599359, 11195513, 78368591]

約数ペア:

[(1, 78368591), (7, 11195513), (49, 1599359), (61, 1284731), (157, 499163), (167, 469273), (427, 183533), (1099, 71309), (1169, 67039), (2989, 26219), (7693, 10187), (8183, 9577)]