28913508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61781}}^1$

素因数の和:61804

約数の個数: 36

約数和(自身を含む): 78710268

約数和(自身を除く): 49796760

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 61781, 123562, 185343, 247124, 370686, 556029, 741372, 803153, 1112058, 1606306, 2224116, 2409459, 3212612, 4818918, 7228377, 9637836, 14456754, 28913508]

約数ペア:

[(1, 28913508), (2, 14456754), (3, 9637836), (4, 7228377), (6, 4818918), (9, 3212612), (12, 2409459), (13, 2224116), (18, 1606306), (26, 1112058), (36, 803153), (39, 741372), (52, 556029), (78, 370686), (117, 247124), (156, 185343), (234, 123562), (468, 61781)]