28756918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 47305440

約数和(自身を除く): 18548522

約数列:

[1, 2, 19, 37, 38, 74, 113, 181, 226, 362, 703, 1406, 2147, 3439, 4181, 4294, 6697, 6878, 8362, 13394, 20453, 40906, 79439, 127243, 158878, 254486, 388607, 756761, 777214, 1513522, 14378459, 28756918]

約数ペア:

[(1, 28756918), (2, 14378459), (19, 1513522), (37, 777214), (38, 756761), (74, 388607), (113, 254486), (181, 158878), (226, 127243), (362, 79439), (703, 40906), (1406, 20453), (2147, 13394), (3439, 8362), (4181, 6878), (4294, 6697)]