65289968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{947}}^1$

素因数の和:1125

約数の個数: 40

約数和(自身を含む): 131658240

約数和(自身を除く): 66368272

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 947, 1112, 1894, 2224, 3788, 4309, 7576, 8618, 15152, 17236, 29357, 34472, 58714, 68944, 117428, 131633, 234856, 263266, 469712, 526532, 1053064, 2106128, 4080623, 8161246, 16322492, 32644984, 65289968]

約数ペア:

[(1, 65289968), (2, 32644984), (4, 16322492), (8, 8161246), (16, 4080623), (31, 2106128), (62, 1053064), (124, 526532), (139, 469712), (248, 263266), (278, 234856), (496, 131633), (556, 117428), (947, 68944), (1112, 58714), (1894, 34472), (2224, 29357), (3788, 17236), (4309, 15152), (7576, 8618)]