1271888890855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{900481}}^1$

素因数の和:900979

約数の個数: 32

約数和(自身を含む): 1696335195456

約数和(自身を除く): 424446304601

約数列:

[1, 5, 11, 55, 61, 305, 421, 671, 2105, 3355, 4631, 23155, 25681, 128405, 282491, 900481, 1412455, 4502405, 9905291, 49526455, 54929341, 274646705, 379102501, 604222751, 1895512505, 3021113755, 4170127511, 20850637555, 23125252561, 115626262805, 254377778171, 1271888890855]

約数ペア:

[(1, 1271888890855), (5, 254377778171), (11, 115626262805), (55, 23125252561), (61, 20850637555), (305, 4170127511), (421, 3021113755), (671, 1895512505), (2105, 604222751), (3355, 379102501), (4631, 274646705), (23155, 54929341), (25681, 49526455), (128405, 9905291), (282491, 4502405), (900481, 1412455)]