25140745

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 35721216

約数和(自身を除く): 10580471

約数列:

[1, 5, 7, 35, 67, 71, 151, 335, 355, 469, 497, 755, 1057, 2345, 2485, 4757, 5285, 10117, 10721, 23785, 33299, 50585, 53605, 70819, 75047, 166495, 354095, 375235, 718307, 3591535, 5028149, 25140745]

約数ペア:

[(1, 25140745), (5, 5028149), (7, 3591535), (35, 718307), (67, 375235), (71, 354095), (151, 166495), (335, 75047), (355, 70819), (469, 53605), (497, 50585), (755, 33299), (1057, 23785), (2345, 10721), (2485, 10117), (4757, 5285)]