28904328

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{2557}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 78811980

約数和(自身を除く): 49907652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2557, 2826, 3768, 5114, 5652, 7671, 10228, 11304, 15342, 20456, 23013, 30684, 46026, 61368, 92052, 184104, 401449, 802898, 1204347, 1605796, 2408694, 3211592, 3613041, 4817388, 7226082, 9634776, 14452164, 28904328]

約数ペア:

[(1, 28904328), (2, 14452164), (3, 9634776), (4, 7226082), (6, 4817388), (8, 3613041), (9, 3211592), (12, 2408694), (18, 1605796), (24, 1204347), (36, 802898), (72, 401449), (157, 184104), (314, 92052), (471, 61368), (628, 46026), (942, 30684), (1256, 23013), (1413, 20456), (1884, 15342), (2557, 11304), (2826, 10228), (3768, 7671), (5114, 5652)]