209127904

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{947}}^1$

素因数の和:1127

約数の個数: 48

約数和(自身を含む): 422368128

約数和(自身を除く): 213240224

約数列:

[1, 2, 4, 8, 16, 32, 67, 103, 134, 206, 268, 412, 536, 824, 947, 1072, 1648, 1894, 2144, 3296, 3788, 6901, 7576, 13802, 15152, 27604, 30304, 55208, 63449, 97541, 110416, 126898, 195082, 220832, 253796, 390164, 507592, 780328, 1015184, 1560656, 2030368, 3121312, 6535247, 13070494, 26140988, 52281976, 104563952, 209127904]

約数ペア:

[(1, 209127904), (2, 104563952), (4, 52281976), (8, 26140988), (16, 13070494), (32, 6535247), (67, 3121312), (103, 2030368), (134, 1560656), (206, 1015184), (268, 780328), (412, 507592), (536, 390164), (824, 253796), (947, 220832), (1072, 195082), (1648, 126898), (1894, 110416), (2144, 97541), (3296, 63449), (3788, 55208), (6901, 30304), (7576, 27604), (13802, 15152)]