251347264

素因数分解:

$2^6\times 7^2\times {\mathrm{80149}}^1$

素因数の和:80175

約数の個数: 42

約数和(自身を含む): 580205850

約数和(自身を除く): 328858586

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 80149, 160298, 320596, 561043, 641192, 1122086, 1282384, 2244172, 2564768, 3927301, 4488344, 5129536, 7854602, 8976688, 15709204, 17953376, 31418408, 35906752, 62836816, 125673632, 251347264]

約数ペア:

[(1, 251347264), (2, 125673632), (4, 62836816), (7, 35906752), (8, 31418408), (14, 17953376), (16, 15709204), (28, 8976688), (32, 7854602), (49, 5129536), (56, 4488344), (64, 3927301), (98, 2564768), (112, 2244172), (196, 1282384), (224, 1122086), (392, 641192), (448, 561043), (784, 320596), (1568, 160298), (3136, 80149)]