2019921715

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{12329}}^1$

素因数の和:12523

約数の個数: 32

約数和(自身を含む): 2878709760

約数和(自身を除く): 858788045

約数列:

[1, 5, 7, 31, 35, 151, 155, 217, 755, 1057, 1085, 4681, 5285, 12329, 23405, 32767, 61645, 86303, 163835, 382199, 431515, 1861679, 1910995, 2675393, 9308395, 13031753, 13376965, 57712049, 65158765, 288560245, 403984343, 2019921715]

約数ペア:

[(1, 2019921715), (5, 403984343), (7, 288560245), (31, 65158765), (35, 57712049), (151, 13376965), (155, 13031753), (217, 9308395), (755, 2675393), (1057, 1910995), (1085, 1861679), (4681, 431515), (5285, 382199), (12329, 163835), (23405, 86303), (32767, 61645)]