405905552

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{3491}}^1$

素因数の和:3568

約数の個数: 60

約数和(自身を含む): 871645104

約数和(自身を除く): 465739552

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 169, 172, 208, 338, 344, 559, 676, 688, 1118, 1352, 2236, 2704, 3491, 4472, 6982, 7267, 8944, 13964, 14534, 27928, 29068, 45383, 55856, 58136, 90766, 116272, 150113, 181532, 300226, 363064, 589979, 600452, 726128, 1179958, 1200904, 1951469, 2359916, 2401808, 3902938, 4719832, 7805876, 9439664, 15611752, 25369097, 31223504, 50738194, 101476388, 202952776, 405905552]

約数ペア:

[(1, 405905552), (2, 202952776), (4, 101476388), (8, 50738194), (13, 31223504), (16, 25369097), (26, 15611752), (43, 9439664), (52, 7805876), (86, 4719832), (104, 3902938), (169, 2401808), (172, 2359916), (208, 1951469), (338, 1200904), (344, 1179958), (559, 726128), (676, 600452), (688, 589979), (1118, 363064), (1352, 300226), (2236, 181532), (2704, 150113), (3491, 116272), (4472, 90766), (6982, 58136), (7267, 55856), (8944, 45383), (13964, 29068), (14534, 27928)]