987519232

素因数分解:

$2^8\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1579}}^1$

素因数の和:1951

約数の個数: 72

約数和(自身を含む): 2260664000

約数和(自身を除く): 1273144768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 349, 448, 698, 896, 1396, 1579, 1792, 2443, 2792, 3158, 4886, 5584, 6316, 9772, 11053, 11168, 12632, 19544, 22106, 22336, 25264, 39088, 44212, 44672, 50528, 78176, 88424, 89344, 101056, 156352, 176848, 202112, 312704, 353696, 404224, 551071, 625408, 707392, 1102142, 1414784, 2204284, 2829568, 3857497, 4408568, 7714994, 8817136, 15429988, 17634272, 30859976, 35268544, 61719952, 70537088, 123439904, 141074176, 246879808, 493759616, 987519232]

約数ペア:

[(1, 987519232), (2, 493759616), (4, 246879808), (7, 141074176), (8, 123439904), (14, 70537088), (16, 61719952), (28, 35268544), (32, 30859976), (56, 17634272), (64, 15429988), (112, 8817136), (128, 7714994), (224, 4408568), (256, 3857497), (349, 2829568), (448, 2204284), (698, 1414784), (896, 1102142), (1396, 707392), (1579, 625408), (1792, 551071), (2443, 404224), (2792, 353696), (3158, 312704), (4886, 202112), (5584, 176848), (6316, 156352), (9772, 101056), (11053, 89344), (11168, 88424), (12632, 78176), (19544, 50528), (22106, 44672), (22336, 44212), (25264, 39088)]