71017324

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 145635840

約数和(自身を除く): 74618516

約数列:

[1, 2, 4, 7, 14, 28, 71, 139, 142, 257, 278, 284, 497, 514, 556, 973, 994, 1028, 1799, 1946, 1988, 3598, 3892, 7196, 9869, 18247, 19738, 35723, 36494, 39476, 69083, 71446, 72988, 127729, 138166, 142892, 250061, 255458, 276332, 500122, 510916, 1000244, 2536333, 5072666, 10145332, 17754331, 35508662, 71017324]

約数ペア:

[(1, 71017324), (2, 35508662), (4, 17754331), (7, 10145332), (14, 5072666), (28, 2536333), (71, 1000244), (139, 510916), (142, 500122), (257, 276332), (278, 255458), (284, 250061), (497, 142892), (514, 138166), (556, 127729), (973, 72988), (994, 71446), (1028, 69083), (1799, 39476), (1946, 36494), (1988, 35723), (3598, 19738), (3892, 18247), (7196, 9869)]