90578128

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 178738560

約数和(自身を除く): 88160432

約数列:

[1, 2, 4, 8, 16, 109, 167, 218, 311, 334, 436, 622, 668, 872, 1244, 1336, 1744, 2488, 2672, 4976, 18203, 33899, 36406, 51937, 67798, 72812, 103874, 135596, 145624, 207748, 271192, 291248, 415496, 542384, 830992, 5661133, 11322266, 22644532, 45289064, 90578128]

約数ペア:

[(1, 90578128), (2, 45289064), (4, 22644532), (8, 11322266), (16, 5661133), (109, 830992), (167, 542384), (218, 415496), (311, 291248), (334, 271192), (436, 207748), (622, 145624), (668, 135596), (872, 103874), (1244, 72812), (1336, 67798), (1744, 51937), (2488, 36406), (2672, 33899), (4976, 18203)]