978180944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151703}}^1$

素因数の和:151755

約数の個数: 40

約数和(自身を含む): 2106865152

約数和(自身を除く): 1128684208

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 151703, 303406, 606812, 1213624, 1972139, 2427248, 3944278, 4702793, 7888556, 9405586, 15777112, 18811172, 31554224, 37622344, 61136309, 75244688, 122272618, 244545236, 489090472, 978180944]

約数ペア:

[(1, 978180944), (2, 489090472), (4, 244545236), (8, 122272618), (13, 75244688), (16, 61136309), (26, 37622344), (31, 31554224), (52, 18811172), (62, 15777112), (104, 9405586), (124, 7888556), (208, 4702793), (248, 3944278), (403, 2427248), (496, 1972139), (806, 1213624), (1612, 606812), (3224, 303406), (6448, 151703)]