638525305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1097}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 882264960

約数和(自身を除く): 243739655

約数列:

[1, 5, 11, 19, 55, 95, 209, 557, 1045, 1097, 2785, 5485, 6127, 10583, 12067, 20843, 30635, 52915, 60335, 104215, 116413, 229273, 582065, 611029, 1146365, 3055145, 6721319, 11609551, 33606595, 58047755, 127705061, 638525305]

約数ペア:

[(1, 638525305), (5, 127705061), (11, 58047755), (19, 33606595), (55, 11609551), (95, 6721319), (209, 3055145), (557, 1146365), (1045, 611029), (1097, 582065), (2785, 229273), (5485, 116413), (6127, 104215), (10583, 60335), (12067, 52915), (20843, 30635)]