389858764

素因数分解:

$2^2\times {\mathrm{383}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 686827008

約数和(自身を除く): 296968244

約数列:

[1, 2, 4, 383, 397, 641, 766, 794, 1282, 1532, 1588, 2564, 152051, 245503, 254477, 304102, 491006, 508954, 608204, 982012, 1017908, 97464691, 194929382, 389858764]

約数ペア:

[(1, 389858764), (2, 194929382), (4, 97464691), (383, 1017908), (397, 982012), (641, 608204), (766, 508954), (794, 491006), (1282, 304102), (1532, 254477), (1588, 245503), (2564, 152051)]