1285753808

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{19211}}^1$

素因数の和:19355

約数の個数: 40

約数和(自身を含む): 2572871040

約数和(自身を除く): 1287117232

約数列:

[1, 2, 4, 8, 16, 47, 89, 94, 178, 188, 356, 376, 712, 752, 1424, 4183, 8366, 16732, 19211, 33464, 38422, 66928, 76844, 153688, 307376, 902917, 1709779, 1805834, 3419558, 3611668, 6839116, 7223336, 13678232, 14446672, 27356464, 80359613, 160719226, 321438452, 642876904, 1285753808]

約数ペア:

[(1, 1285753808), (2, 642876904), (4, 321438452), (8, 160719226), (16, 80359613), (47, 27356464), (89, 14446672), (94, 13678232), (178, 7223336), (188, 6839116), (356, 3611668), (376, 3419558), (712, 1805834), (752, 1709779), (1424, 902917), (4183, 307376), (8366, 153688), (16732, 76844), (19211, 66928), (33464, 38422)]