219623912

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{1069}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 419932200

約数和(自身を除く): 200308288

約数列:

[1, 2, 4, 8, 61, 122, 244, 421, 488, 842, 1069, 1684, 2138, 3368, 4276, 8552, 25681, 51362, 65209, 102724, 130418, 205448, 260836, 450049, 521672, 900098, 1800196, 3600392, 27452989, 54905978, 109811956, 219623912]

約数ペア:

[(1, 219623912), (2, 109811956), (4, 54905978), (8, 27452989), (61, 3600392), (122, 1800196), (244, 900098), (421, 521672), (488, 450049), (842, 260836), (1069, 205448), (1684, 130418), (2138, 102724), (3368, 65209), (4276, 51362), (8552, 25681)]