71481788

素因数分解:

$2^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{1453}}^1$

素因数の和:1722

約数の個数: 36

約数和(自身を含む): 146196792

約数和(自身を除く): 74715004

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 251, 502, 1004, 1453, 1757, 2906, 3514, 5812, 7028, 10171, 12299, 20342, 24598, 40684, 49196, 71197, 142394, 284788, 364703, 729406, 1458812, 2552921, 5105842, 10211684, 17870447, 35740894, 71481788]

約数ペア:

[(1, 71481788), (2, 35740894), (4, 17870447), (7, 10211684), (14, 5105842), (28, 2552921), (49, 1458812), (98, 729406), (196, 364703), (251, 284788), (502, 142394), (1004, 71197), (1453, 49196), (1757, 40684), (2906, 24598), (3514, 20342), (5812, 12299), (7028, 10171)]