199984430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{907}}^1\times {\mathrm{1297}}^1$

素因数の和:2228

約数の個数: 32

約数和(自身を含む): 381861216

約数和(自身を除く): 181876786

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 907, 1297, 1814, 2594, 4535, 6485, 9070, 12970, 15419, 22049, 30838, 44098, 77095, 110245, 154190, 220490, 1176379, 2352758, 5881895, 11763790, 19998443, 39996886, 99992215, 199984430]

約数ペア:

[(1, 199984430), (2, 99992215), (5, 39996886), (10, 19998443), (17, 11763790), (34, 5881895), (85, 2352758), (170, 1176379), (907, 220490), (1297, 154190), (1814, 110245), (2594, 77095), (4535, 44098), (6485, 30838), (9070, 22049), (12970, 15419)]