221655952

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{63841}}^1$

素因数の和:63887

約数の個数: 40

約数和(自身を含む): 506650112

約数和(自身を除く): 284994160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 63841, 127682, 255364, 446887, 510728, 893774, 1021456, 1787548, 1979071, 3575096, 3958142, 7150192, 7916284, 13853497, 15832568, 27706994, 31665136, 55413988, 110827976, 221655952]

約数ペア:

[(1, 221655952), (2, 110827976), (4, 55413988), (7, 31665136), (8, 27706994), (14, 15832568), (16, 13853497), (28, 7916284), (31, 7150192), (56, 3958142), (62, 3575096), (112, 1979071), (124, 1787548), (217, 1021456), (248, 893774), (434, 510728), (496, 446887), (868, 255364), (1736, 127682), (3472, 63841)]