859613456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{87931}}^1$

素因数の和:87999

約数の個数: 40

約数和(自身を含む): 1831799424

約数和(自身を除く): 972185968

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 87931, 175862, 351724, 703448, 1143103, 1406896, 2286206, 4132757, 4572412, 8265514, 9144824, 16531028, 18289648, 33062056, 53725841, 66124112, 107451682, 214903364, 429806728, 859613456]

約数ペア:

[(1, 859613456), (2, 429806728), (4, 214903364), (8, 107451682), (13, 66124112), (16, 53725841), (26, 33062056), (47, 18289648), (52, 16531028), (94, 9144824), (104, 8265514), (188, 4572412), (208, 4132757), (376, 2286206), (611, 1406896), (752, 1143103), (1222, 703448), (2444, 351724), (4888, 175862), (9776, 87931)]