4019225

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 6170364

約数和(自身を除く): 2151139

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 193, 245, 425, 595, 833, 965, 1225, 1351, 2975, 3281, 4165, 4825, 6755, 9457, 16405, 20825, 22967, 33775, 47285, 82025, 114835, 160769, 236425, 574175, 803845, 4019225]

約数ペア:

[(1, 4019225), (5, 803845), (7, 574175), (17, 236425), (25, 160769), (35, 114835), (49, 82025), (85, 47285), (119, 33775), (175, 22967), (193, 20825), (245, 16405), (425, 9457), (595, 6755), (833, 4825), (965, 4165), (1225, 3281), (1351, 2975)]