289678864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{13421}}^1$

素因数の和:13519

約数の個数: 40

約数和(自身を含む): 599158080

約数和(自身を除く): 309479216

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 2698, 5396, 10792, 13421, 21584, 26842, 53684, 107368, 214736, 254999, 509998, 952891, 1019996, 1905782, 2039992, 3811564, 4079984, 7623128, 15246256, 18104929, 36209858, 72419716, 144839432, 289678864]

約数ペア:

[(1, 289678864), (2, 144839432), (4, 72419716), (8, 36209858), (16, 18104929), (19, 15246256), (38, 7623128), (71, 4079984), (76, 3811564), (142, 2039992), (152, 1905782), (284, 1019996), (304, 952891), (568, 509998), (1136, 254999), (1349, 214736), (2698, 107368), (5396, 53684), (10792, 26842), (13421, 21584)]