643248476

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{8893}}^1$

素因数の和:9030

約数の個数: 36

約数和(自身を含む): 1230467112

約数和(自身を除く): 587218636

約数列:

[1, 2, 4, 13, 26, 52, 107, 169, 214, 338, 428, 676, 1391, 2782, 5564, 8893, 17786, 18083, 35572, 36166, 72332, 115609, 231218, 462436, 951551, 1502917, 1903102, 3005834, 3806204, 6011668, 12370163, 24740326, 49480652, 160812119, 321624238, 643248476]

約数ペア:

[(1, 643248476), (2, 321624238), (4, 160812119), (13, 49480652), (26, 24740326), (52, 12370163), (107, 6011668), (169, 3806204), (214, 3005834), (338, 1903102), (428, 1502917), (676, 951551), (1391, 462436), (2782, 231218), (5564, 115609), (8893, 72332), (17786, 36166), (18083, 35572)]