128792345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 173093760

約数和(自身を除く): 44301415

約数列:

[1, 5, 11, 55, 83, 89, 317, 415, 445, 913, 979, 1585, 3487, 4565, 4895, 7387, 17435, 26311, 28213, 36935, 81257, 131555, 141065, 289421, 310343, 406285, 1447105, 1551715, 2341679, 11708395, 25758469, 128792345]

約数ペア:

[(1, 128792345), (5, 25758469), (11, 11708395), (55, 2341679), (83, 1551715), (89, 1447105), (317, 406285), (415, 310343), (445, 289421), (913, 141065), (979, 131555), (1585, 81257), (3487, 36935), (4565, 28213), (4895, 26311), (7387, 17435)]