28415744

素因数分解:

$2^8\times 7^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 65882208

約数和(自身を除く): 37466464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 128, 157, 202, 224, 256, 314, 404, 448, 628, 707, 808, 896, 1099, 1256, 1414, 1616, 1792, 2198, 2512, 2828, 3232, 4396, 5024, 5656, 6464, 8792, 10048, 11312, 12928, 15857, 17584, 20096, 22624, 25856, 31714, 35168, 40192, 45248, 63428, 70336, 90496, 110999, 126856, 140672, 180992, 221998, 253712, 281344, 443996, 507424, 887992, 1014848, 1775984, 2029696, 3551968, 4059392, 7103936, 14207872, 28415744]

約数ペア:

[(1, 28415744), (2, 14207872), (4, 7103936), (7, 4059392), (8, 3551968), (14, 2029696), (16, 1775984), (28, 1014848), (32, 887992), (56, 507424), (64, 443996), (101, 281344), (112, 253712), (128, 221998), (157, 180992), (202, 140672), (224, 126856), (256, 110999), (314, 90496), (404, 70336), (448, 63428), (628, 45248), (707, 40192), (808, 35168), (896, 31714), (1099, 25856), (1256, 22624), (1414, 20096), (1616, 17584), (1792, 15857), (2198, 12928), (2512, 11312), (2828, 10048), (3232, 8792), (4396, 6464), (5024, 5656)]