156799951

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 213736320

約数和(自身を除く): 56936369

約数列:

[1, 7, 11, 19, 49, 61, 77, 133, 209, 251, 427, 539, 671, 931, 1159, 1463, 1757, 2761, 2989, 4697, 4769, 8113, 10241, 12299, 12749, 15311, 19327, 32879, 33383, 52459, 56791, 89243, 107177, 135289, 168421, 233681, 290909, 367213, 624701, 750239, 1178947, 2036363, 2570491, 3199999, 8252629, 14254541, 22399993, 156799951]

約数ペア:

[(1, 156799951), (7, 22399993), (11, 14254541), (19, 8252629), (49, 3199999), (61, 2570491), (77, 2036363), (133, 1178947), (209, 750239), (251, 624701), (427, 367213), (539, 290909), (671, 233681), (931, 168421), (1159, 135289), (1463, 107177), (1757, 89243), (2761, 56791), (2989, 52459), (4697, 33383), (4769, 32879), (8113, 19327), (10241, 15311), (12299, 12749)]