28243872

素因数分解:

$2^5\times 3^2\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:646

約数の個数: 72

約数和(自身を含む): 80835300

約数和(自身を除く): 52591428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 281, 288, 349, 562, 698, 843, 1047, 1124, 1396, 1686, 2094, 2248, 2529, 2792, 3141, 3372, 4188, 4496, 5058, 5584, 6282, 6744, 8376, 8992, 10116, 11168, 12564, 13488, 16752, 20232, 25128, 26976, 33504, 40464, 50256, 80928, 98069, 100512, 196138, 294207, 392276, 588414, 784552, 882621, 1176828, 1569104, 1765242, 2353656, 3138208, 3530484, 4707312, 7060968, 9414624, 14121936, 28243872]

約数ペア:

[(1, 28243872), (2, 14121936), (3, 9414624), (4, 7060968), (6, 4707312), (8, 3530484), (9, 3138208), (12, 2353656), (16, 1765242), (18, 1569104), (24, 1176828), (32, 882621), (36, 784552), (48, 588414), (72, 392276), (96, 294207), (144, 196138), (281, 100512), (288, 98069), (349, 80928), (562, 50256), (698, 40464), (843, 33504), (1047, 26976), (1124, 25128), (1396, 20232), (1686, 16752), (2094, 13488), (2248, 12564), (2529, 11168), (2792, 10116), (3141, 8992), (3372, 8376), (4188, 6744), (4496, 6282), (5058, 5584)]