157805956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1217}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 345405312

約数和(自身を除く): 187599356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 421, 842, 1217, 1684, 2434, 2947, 4631, 4868, 5894, 8519, 9262, 11788, 13387, 17038, 18524, 26774, 32417, 34076, 53548, 64834, 93709, 129668, 187418, 374836, 512357, 1024714, 2049428, 3586499, 5635927, 7172998, 11271854, 14345996, 22543708, 39451489, 78902978, 157805956]

約数ペア:

[(1, 157805956), (2, 78902978), (4, 39451489), (7, 22543708), (11, 14345996), (14, 11271854), (22, 7172998), (28, 5635927), (44, 3586499), (77, 2049428), (154, 1024714), (308, 512357), (421, 374836), (842, 187418), (1217, 129668), (1684, 93709), (2434, 64834), (2947, 53548), (4631, 34076), (4868, 32417), (5894, 26774), (8519, 18524), (9262, 17038), (11788, 13387)]