28692265

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 12019415

約数列:

[1, 5, 7, 35, 61, 89, 151, 305, 427, 445, 623, 755, 1057, 2135, 3115, 5285, 5429, 9211, 13439, 27145, 38003, 46055, 64477, 67195, 94073, 190015, 322385, 470365, 819779, 4098895, 5738453, 28692265]

約数ペア:

[(1, 28692265), (5, 5738453), (7, 4098895), (35, 819779), (61, 470365), (89, 322385), (151, 190015), (305, 94073), (427, 67195), (445, 64477), (623, 46055), (755, 38003), (1057, 27145), (2135, 13439), (3115, 9211), (5285, 5429)]