217760984

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{105097}}^1$

素因数の和:105147

約数の個数: 32

約数和(自身を含む): 479246880

約数和(自身を除く): 261485896

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 105097, 210194, 420388, 735679, 840776, 1471358, 2942716, 3888589, 5885432, 7777178, 15554356, 27220123, 31108712, 54440246, 108880492, 217760984]

約数ペア:

[(1, 217760984), (2, 108880492), (4, 54440246), (7, 31108712), (8, 27220123), (14, 15554356), (28, 7777178), (37, 5885432), (56, 3888589), (74, 2942716), (148, 1471358), (259, 840776), (296, 735679), (518, 420388), (1036, 210194), (2072, 105097)]