258197264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1816

約数の個数: 80

約数和(自身を含む): 580629504

約数和(自身を除く): 322432240

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 46, 52, 62, 92, 104, 124, 184, 208, 248, 299, 368, 403, 496, 598, 713, 806, 1196, 1426, 1612, 1741, 2392, 2852, 3224, 3482, 4784, 5704, 6448, 6964, 9269, 11408, 13928, 18538, 22633, 27856, 37076, 40043, 45266, 53971, 74152, 80086, 90532, 107942, 148304, 160172, 181064, 215884, 320344, 362128, 431768, 520559, 640688, 701623, 863536, 1041118, 1241333, 1403246, 2082236, 2482666, 2806492, 4164472, 4965332, 5612984, 8328944, 9930664, 11225968, 16137329, 19861328, 32274658, 64549316, 129098632, 258197264]

約数ペア:

[(1, 258197264), (2, 129098632), (4, 64549316), (8, 32274658), (13, 19861328), (16, 16137329), (23, 11225968), (26, 9930664), (31, 8328944), (46, 5612984), (52, 4965332), (62, 4164472), (92, 2806492), (104, 2482666), (124, 2082236), (184, 1403246), (208, 1241333), (248, 1041118), (299, 863536), (368, 701623), (403, 640688), (496, 520559), (598, 431768), (713, 362128), (806, 320344), (1196, 215884), (1426, 181064), (1612, 160172), (1741, 148304), (2392, 107942), (2852, 90532), (3224, 80086), (3482, 74152), (4784, 53971), (5704, 45266), (6448, 40043), (6964, 37076), (9269, 27856), (11408, 22633), (13928, 18538)]