644930638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{230827}}^1$

素因数の和:230967

約数の個数: 16

約数和(自身を含む): 1063655424

約数和(自身を除く): 418724786

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 230827, 461654, 2539097, 5078194, 29315029, 58630058, 322465319, 644930638]

約数ペア:

[(1, 644930638), (2, 322465319), (11, 58630058), (22, 29315029), (127, 5078194), (254, 2539097), (1397, 461654), (2794, 230827)]