213123512

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{419}}^1$

素因数の和:756

約数の個数: 64

約数和(自身を含む): 474163200

約数和(自身を除く): 261039688

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 293, 419, 434, 586, 838, 868, 1172, 1676, 1736, 2051, 2344, 2933, 3352, 4102, 5866, 8204, 9083, 11732, 12989, 16408, 18166, 23464, 25978, 36332, 51956, 63581, 72664, 90923, 103912, 122767, 127162, 181846, 245534, 254324, 363692, 491068, 508648, 727384, 859369, 982136, 1718738, 3437476, 3805777, 6874952, 7611554, 15223108, 26640439, 30446216, 53280878, 106561756, 213123512]

約数ペア:

[(1, 213123512), (2, 106561756), (4, 53280878), (7, 30446216), (8, 26640439), (14, 15223108), (28, 7611554), (31, 6874952), (56, 3805777), (62, 3437476), (124, 1718738), (217, 982136), (248, 859369), (293, 727384), (419, 508648), (434, 491068), (586, 363692), (838, 254324), (868, 245534), (1172, 181846), (1676, 127162), (1736, 122767), (2051, 103912), (2344, 90923), (2933, 72664), (3352, 63581), (4102, 51956), (5866, 36332), (8204, 25978), (9083, 23464), (11732, 18166), (12989, 16408)]