290223488

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{73141}}^1$

素因数の和:73186

約数の個数: 32

約数和(自身を含む): 596838720

約数和(自身を除く): 306615232

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 73141, 146282, 292564, 585128, 1170256, 2267371, 2340512, 4534742, 4681024, 9069484, 9362048, 18138968, 36277936, 72555872, 145111744, 290223488]

約数ペア:

[(1, 290223488), (2, 145111744), (4, 72555872), (8, 36277936), (16, 18138968), (31, 9362048), (32, 9069484), (62, 4681024), (64, 4534742), (124, 2340512), (128, 2267371), (248, 1170256), (496, 585128), (992, 292564), (1984, 146282), (3968, 73141)]