400872056

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{296503}}^1$

素因数の和:296535

約数の個数: 24

約数和(自身を含む): 813903480

約数和(自身を除く): 413031424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 296503, 593006, 1186012, 2372024, 3854539, 7709078, 15418156, 30836312, 50109007, 100218014, 200436028, 400872056]

約数ペア:

[(1, 400872056), (2, 200436028), (4, 100218014), (8, 50109007), (13, 30836312), (26, 15418156), (52, 7709078), (104, 3854539), (169, 2372024), (338, 1186012), (676, 593006), (1352, 296503)]