678495008

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{1103}}^1$

素因数の和:1569

約数の個数: 48

約数和(自身を含む): 1368783360

約数和(自身を除く): 690288352

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 409, 752, 818, 1103, 1504, 1636, 2206, 3272, 4412, 6544, 8824, 13088, 17648, 19223, 35296, 38446, 51841, 76892, 103682, 153784, 207364, 307568, 414728, 451127, 615136, 829456, 902254, 1658912, 1804508, 3609016, 7218032, 14436064, 21202969, 42405938, 84811876, 169623752, 339247504, 678495008]

約数ペア:

[(1, 678495008), (2, 339247504), (4, 169623752), (8, 84811876), (16, 42405938), (32, 21202969), (47, 14436064), (94, 7218032), (188, 3609016), (376, 1804508), (409, 1658912), (752, 902254), (818, 829456), (1103, 615136), (1504, 451127), (1636, 414728), (2206, 307568), (3272, 207364), (4412, 153784), (6544, 103682), (8824, 76892), (13088, 51841), (17648, 38446), (19223, 35296)]