178861072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27739}}^1$

素因数の和:27791

約数の個数: 40

約数和(自身を含む): 385253120

約数和(自身を除く): 206392048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 27739, 55478, 110956, 221912, 360607, 443824, 721214, 859909, 1442428, 1719818, 2884856, 3439636, 5769712, 6879272, 11178817, 13758544, 22357634, 44715268, 89430536, 178861072]

約数ペア:

[(1, 178861072), (2, 89430536), (4, 44715268), (8, 22357634), (13, 13758544), (16, 11178817), (26, 6879272), (31, 5769712), (52, 3439636), (62, 2884856), (104, 1719818), (124, 1442428), (208, 859909), (248, 721214), (403, 443824), (496, 360607), (806, 221912), (1612, 110956), (3224, 55478), (6448, 27739)]