387975728

素因数分解:

$2^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{6779}}^1$

素因数の和:6874

約数の個数: 60

約数和(自身を含む): 886539240

約数和(自身を除く): 498563512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 73, 98, 112, 146, 196, 292, 392, 511, 584, 784, 1022, 1168, 2044, 3577, 4088, 6779, 7154, 8176, 13558, 14308, 27116, 28616, 47453, 54232, 57232, 94906, 108464, 189812, 332171, 379624, 494867, 664342, 759248, 989734, 1328684, 1979468, 2657368, 3464069, 3958936, 5314736, 6928138, 7917872, 13856276, 24248483, 27712552, 48496966, 55425104, 96993932, 193987864, 387975728]

約数ペア:

[(1, 387975728), (2, 193987864), (4, 96993932), (7, 55425104), (8, 48496966), (14, 27712552), (16, 24248483), (28, 13856276), (49, 7917872), (56, 6928138), (73, 5314736), (98, 3958936), (112, 3464069), (146, 2657368), (196, 1979468), (292, 1328684), (392, 989734), (511, 759248), (584, 664342), (784, 494867), (1022, 379624), (1168, 332171), (2044, 189812), (3577, 108464), (4088, 94906), (6779, 57232), (7154, 54232), (8176, 47453), (13558, 28616), (14308, 27116)]