258715856

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121577}}^1$

素因数の和:121611

約数の個数: 40

約数和(自身を含む): 603026880

約数和(自身を除く): 344311024

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 121577, 243154, 486308, 851039, 972616, 1702078, 1945232, 2309963, 3404156, 4619926, 6808312, 9239852, 13616624, 16169741, 18479704, 32339482, 36959408, 64678964, 129357928, 258715856]

約数ペア:

[(1, 258715856), (2, 129357928), (4, 64678964), (7, 36959408), (8, 32339482), (14, 18479704), (16, 16169741), (19, 13616624), (28, 9239852), (38, 6808312), (56, 4619926), (76, 3404156), (112, 2309963), (133, 1945232), (152, 1702078), (266, 972616), (304, 851039), (532, 486308), (1064, 243154), (2128, 121577)]