287489530

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{206827}}^1$

素因数の和:206973

約数の個数: 16

約数和(自身を含む): 521206560

約数和(自身を除く): 233717030

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 206827, 413654, 1034135, 2068270, 28748953, 57497906, 143744765, 287489530]

約数ペア:

[(1, 287489530), (2, 143744765), (5, 57497906), (10, 28748953), (139, 2068270), (278, 1034135), (695, 413654), (1390, 206827)]