28668456

素因数分解:

$2^3\times 3^2\times {\mathrm{439}}^1\times {\mathrm{907}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 77906400

約数和(自身を除く): 49237944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 439, 878, 907, 1317, 1756, 1814, 2634, 2721, 3512, 3628, 3951, 5268, 5442, 7256, 7902, 8163, 10536, 10884, 15804, 16326, 21768, 31608, 32652, 65304, 398173, 796346, 1194519, 1592692, 2389038, 3185384, 3583557, 4778076, 7167114, 9556152, 14334228, 28668456]

約数ペア:

[(1, 28668456), (2, 14334228), (3, 9556152), (4, 7167114), (6, 4778076), (8, 3583557), (9, 3185384), (12, 2389038), (18, 1592692), (24, 1194519), (36, 796346), (72, 398173), (439, 65304), (878, 32652), (907, 31608), (1317, 21768), (1756, 16326), (1814, 15804), (2634, 10884), (2721, 10536), (3512, 8163), (3628, 7902), (3951, 7256), (5268, 5442)]