25640398

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 45158400

約数和(自身を除く): 19518002

約数列:

[1, 2, 7, 14, 79, 97, 158, 194, 239, 478, 553, 679, 1106, 1358, 1673, 3346, 7663, 15326, 18881, 23183, 37762, 46366, 53641, 107282, 132167, 162281, 264334, 324562, 1831457, 3662914, 12820199, 25640398]

約数ペア:

[(1, 25640398), (2, 12820199), (7, 3662914), (14, 1831457), (79, 324562), (97, 264334), (158, 162281), (194, 132167), (239, 107282), (478, 53641), (553, 46366), (679, 37762), (1106, 23183), (1358, 18881), (1673, 15326), (3346, 7663)]