1989208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 4152960

約数和(自身を除く): 2163752

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 617, 806, 1234, 1612, 2468, 3224, 4936, 8021, 16042, 19127, 32084, 38254, 64168, 76508, 153016, 248651, 497302, 994604, 1989208]

約数ペア:

[(1, 1989208), (2, 994604), (4, 497302), (8, 248651), (13, 153016), (26, 76508), (31, 64168), (52, 38254), (62, 32084), (104, 19127), (124, 16042), (248, 8021), (403, 4936), (617, 3224), (806, 2468), (1234, 1612)]