987664990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{185303}}^1$

素因数の和:185364

約数の個数: 32

約数和(自身を含む): 1961257536

約数和(自身を除く): 973592546

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 5330, 185303, 370606, 926515, 1853030, 2408939, 4817878, 7597423, 12044695, 15194846, 24089390, 37987115, 75974230, 98766499, 197532998, 493832495, 987664990]

約数ペア:

[(1, 987664990), (2, 493832495), (5, 197532998), (10, 98766499), (13, 75974230), (26, 37987115), (41, 24089390), (65, 15194846), (82, 12044695), (130, 7597423), (205, 4817878), (410, 2408939), (533, 1853030), (1066, 926515), (2665, 370606), (5330, 185303)]