644849408

素因数分解:

$2^8\times 7^2\times {\mathrm{51407}}^1$

素因数の和:51437

約数の個数: 54

約数和(自身を含む): 1497360816

約数和(自身を除く): 852511408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 51407, 102814, 205628, 359849, 411256, 719698, 822512, 1439396, 1645024, 2518943, 2878792, 3290048, 5037886, 5757584, 6580096, 10075772, 11515168, 13160192, 20151544, 23030336, 40303088, 46060672, 80606176, 92121344, 161212352, 322424704, 644849408]

約数ペア:

[(1, 644849408), (2, 322424704), (4, 161212352), (7, 92121344), (8, 80606176), (14, 46060672), (16, 40303088), (28, 23030336), (32, 20151544), (49, 13160192), (56, 11515168), (64, 10075772), (98, 6580096), (112, 5757584), (128, 5037886), (196, 3290048), (224, 2878792), (256, 2518943), (392, 1645024), (448, 1439396), (784, 822512), (896, 719698), (1568, 411256), (1792, 359849), (3136, 205628), (6272, 102814), (12544, 51407)]