291217904

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{12973}}^1$

素因数の和:13065

約数の個数: 40

約数和(自身を含む): 598464672

約数和(自身を除く): 307246768

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 976, 1403, 2806, 5612, 11224, 12973, 22448, 25946, 51892, 103784, 207568, 298379, 596758, 791353, 1193516, 1582706, 2387032, 3165412, 4774064, 6330824, 12661648, 18201119, 36402238, 72804476, 145608952, 291217904]

約数ペア:

[(1, 291217904), (2, 145608952), (4, 72804476), (8, 36402238), (16, 18201119), (23, 12661648), (46, 6330824), (61, 4774064), (92, 3165412), (122, 2387032), (184, 1582706), (244, 1193516), (368, 791353), (488, 596758), (976, 298379), (1403, 207568), (2806, 103784), (5612, 51892), (11224, 25946), (12973, 22448)]