291225584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{32561}}^1$

素因数の和:32625

約数の個数: 40

約数和(自身を含む): 621803952

約数和(自身を除く): 330578368

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 32561, 65122, 130244, 260488, 423293, 520976, 846586, 1400123, 1693172, 2800246, 3386344, 5600492, 6772688, 11200984, 18201599, 22401968, 36403198, 72806396, 145612792, 291225584]

約数ペア:

[(1, 291225584), (2, 145612792), (4, 72806396), (8, 36403198), (13, 22401968), (16, 18201599), (26, 11200984), (43, 6772688), (52, 5600492), (86, 3386344), (104, 2800246), (172, 1693172), (208, 1400123), (344, 846586), (559, 520976), (688, 423293), (1118, 260488), (2236, 130244), (4472, 65122), (8944, 32561)]