90815178

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{1609}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 190108800

約数和(自身を除く): 99293622

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 409, 818, 1227, 1609, 2454, 3218, 4827, 9407, 9654, 18814, 28221, 37007, 56442, 74014, 111021, 222042, 658081, 1316162, 1974243, 3948486, 15135863, 30271726, 45407589, 90815178]

約数ペア:

[(1, 90815178), (2, 45407589), (3, 30271726), (6, 15135863), (23, 3948486), (46, 1974243), (69, 1316162), (138, 658081), (409, 222042), (818, 111021), (1227, 74014), (1609, 56442), (2454, 37007), (3218, 28221), (4827, 18814), (9407, 9654)]