2139928

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 4801680

約数和(自身を除く): 2661752

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 103, 106, 196, 206, 212, 371, 392, 412, 424, 721, 742, 824, 1442, 1484, 2597, 2884, 2968, 5047, 5194, 5459, 5768, 10094, 10388, 10918, 20188, 20776, 21836, 38213, 40376, 43672, 76426, 152852, 267491, 305704, 534982, 1069964, 2139928]

約数ペア:

[(1, 2139928), (2, 1069964), (4, 534982), (7, 305704), (8, 267491), (14, 152852), (28, 76426), (49, 43672), (53, 40376), (56, 38213), (98, 21836), (103, 20776), (106, 20188), (196, 10918), (206, 10388), (212, 10094), (371, 5768), (392, 5459), (412, 5194), (424, 5047), (721, 2968), (742, 2884), (824, 2597), (1442, 1484)]